89500992 has 56 divisors (see below), whose sum is σ = 270638016. Its totient is φ = 25571328.

The previous prime is 89500979. The next prime is 89501011. The reversal of 89500992 is 29900598.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31953 + ... + 34640.

Almost surely, 2^89500992 is an apocalyptic number.

It is an amenable number.

89500992 is an abundant number, since it is smaller than the sum of its proper divisors (181137024).

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

89500992 is a wasteful number, since it uses less digits than its factorization.

89500992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66615 (or 66605 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 42.

The square root of 89500992 is about 9460.4963928961. The cubic root of 89500992 is about 447.3106959157.

The spelling of 89500992 in words is "eighty-nine million, five hundred thousand, nine hundred ninety-two".