89177916 has 12 divisors (see below), whose sum is σ = 208081832. Its totient is φ = 29725968.

The previous prime is 89177897. The next prime is 89177927. The reversal of 89177916 is 61977198.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3715735 + ... + 3715758.

Almost surely, 2^89177916 is an apocalyptic number.

It is an amenable number.

89177916 is an abundant number, since it is smaller than the sum of its proper divisors (118903916).

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

89177916 is a wasteful number, since it uses less digits than its factorization.

89177916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7431500 (or 7431498 counting only the distinct ones).

The product of its digits is 190512, while the sum is 48.

The square root of 89177916 is about 9443.4059533624. The cubic root of 89177916 is about 446.7718207416.

The spelling of 89177916 in words is "eighty-nine million, one hundred seventy-seven thousand, nine hundred sixteen".