89351878832 has 20 divisors (see below), whose sum is σ = 178703758656. Its totient is φ = 43234779840.

The previous prime is 89351878799. The next prime is 89351878849. The reversal of 89351878832 is 23887815398.

89351878832 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (62).

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, 90071963 + ... + 90072954.

Almost surely, 2^89351878832 is an apocalyptic number.

It is an amenable number.

89351878832 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

89351878832 is a wasteful number, since it uses less digits than its factorization.

89351878832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180144956 (or 180144950 counting only the distinct ones).

The product of its digits is 23224320, while the sum is 62.

The spelling of 89351878832 in words is "eighty-nine billion, three hundred fifty-one million, eight hundred seventy-eight thousand, eight hundred thirty-two".