89691608 has 16 divisors (see below), whose sum is σ = 168375480. Its totient is φ = 44791488.

The previous prime is 89691607. The next prime is 89691661. The reversal of 89691608 is 80619698.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89691607) 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 3 ways as a sum of consecutive naturals, for example, 716 + ... + 13412.

Almost surely, 2^89691608 is an apocalyptic number.

It is an amenable number.

89691608 is a deficient number, since it is larger than the sum of its proper divisors (78683872).

89691608 is a wasteful number, since it uses less digits than its factorization.

89691608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13586 (or 13582 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 47.

The square root of 89691608 is about 9470.5653474331. The cubic root of 89691608 is about 447.6280261638.

The spelling of 89691608 in words is "eighty-nine million, six hundred ninety-one thousand, six hundred eight".