28577377870032 has 80 divisors (see below), whose sum is σ = 76118406110208. Its totient is φ = 9233237569920.

The previous prime is 28577377870007. The next prime is 28577377870199. The reversal of 28577377870032 is 23007877377582.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52575528 + ... + 53116295.

Almost surely, 2^{28577377870032} is an apocalyptic number.

It is an amenable number.

28577377870032 is an abundant number, since it is smaller than the sum of its proper divisors (47541028240176).

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

28577377870032 is a wasteful number, since it uses less digits than its factorization.

28577377870032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105692008 (or 105692002 counting only the distinct ones).

The product of its (nonzero) digits is 193616640, while the sum is 66.

The spelling of 28577377870032 in words is "twenty-eight trillion, five hundred seventy-seven billion, three hundred seventy-seven million, eight hundred seventy thousand, thirty-two".