80653608 has 72 divisors (see below), whose sum is σ = 254111130. Its totient is φ = 23042880.

The previous prime is 80653607. The next prime is 80653619. The reversal of 80653608 is 80635608.

It can be written as a sum of positive squares in only one way, i.e., 50381604 + 30272004 = 7098^2 + 5502^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (80653603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 7903 + ... + 14958.

Almost surely, 2^80653608 is an apocalyptic number.

It is an amenable number.

80653608 is an abundant number, since it is smaller than the sum of its proper divisors (173457522).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80653608 is a wasteful number, since it uses less digits than its factorization.

80653608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22887 (or 22873 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 80653608 is about 8980.7353819161. The cubic root of 80653608 is about 432.0572197870.

The spelling of 80653608 in words is "eighty million, six hundred fifty-three thousand, six hundred eight".