28870663032 has 96 divisors (see below), whose sum is σ = 85191394800. Its totient is φ = 9057443328.

The previous prime is 28870662983. The next prime is 28870663123. The reversal of 28870663032 is 23036607882.

28870663032 is a `hidden beast` number, since 2 + 8 + 8 + 7 + 0 + 6 + 630 + 3 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 168823 + ... + 293670.

Almost surely, 2^28870663032 is an apocalyptic number.

It is an amenable number.

28870663032 is an abundant number, since it is smaller than the sum of its proper divisors (56320731768).

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

28870663032 is a wasteful number, since it uses less digits than its factorization.

28870663032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462542 (or 462515 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The spelling of 28870663032 in words is "twenty-eight billion, eight hundred seventy million, six hundred sixty-three thousand, thirty-two".