28385038562832 has 120 divisors (see below), whose sum is σ = 90805201497920. Its totient is φ = 8108391133440.

The previous prime is 28385038562831. The next prime is 28385038562849. The reversal of 28385038562832 is 23826583058382.

28385038562832 is a `hidden beast` number, since 2 + 8 + 3 + 8 + 5 + 0 + 38 + 562 + 8 + 32 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a self number, because there is not a number n which added to its sum of digits gives 28385038562832.

It is not an unprimeable number, because it can be changed into a prime (28385038562831) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2241294 + ... + 7860882.

Almost surely, 2^{28385038562832} is an apocalyptic number.

It is an amenable number.

28385038562832 is an abundant number, since it is smaller than the sum of its proper divisors (62420162935088).

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

28385038562832 is a wasteful number, since it uses less digits than its factorization.

28385038562832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5624621 (or 5624612 counting only the distinct ones).

The product of its (nonzero) digits is 132710400, while the sum is 63.

The spelling of 28385038562832 in words is "twenty-eight trillion, three hundred eighty-five billion, thirty-eight million, five hundred sixty-two thousand, eight hundred thirty-two".