89154525828 has 12 divisors (see below), whose sum is σ = 208027226960. Its totient is φ = 29718175272.

The previous prime is 89154525827. The next prime is 89154525833. The reversal of 89154525828 is 82852545198.

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

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (89154525827) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3714771898 + ... + 3714771921.

Almost surely, 2^89154525828 is an apocalyptic number.

It is an amenable number.

89154525828 is an abundant number, since it is smaller than the sum of its proper divisors (118872701132).

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

89154525828 is a wasteful number, since it uses less digits than its factorization.

89154525828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7429543826 (or 7429543824 counting only the distinct ones).

The product of its digits is 9216000, while the sum is 57.

The spelling of 89154525828 in words is "eighty-nine billion, one hundred fifty-four million, five hundred twenty-five thousand, eight hundred twenty-eight".