28601588572 has 24 divisors (see below), whose sum is σ = 50277378816. Its totient is φ = 14236720368.

The previous prime is 28601588551. The next prime is 28601588623. The reversal of 28601588572 is 27588510682.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1237143 + ... + 1260049.

It is an arithmetic number, because the mean of its divisors is an integer number (2094890784).

Almost surely, 2^28601588572 is an apocalyptic number.

It is an amenable number.

28601588572 is a deficient number, since it is larger than the sum of its proper divisors (21675790244).

28601588572 is a wasteful number, since it uses less digits than its factorization.

28601588572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24297 (or 24295 counting only the distinct ones).

The product of its (nonzero) digits is 2150400, while the sum is 52.

The spelling of 28601588572 in words is "twenty-eight billion, six hundred one million, five hundred eighty-eight thousand, five hundred seventy-two".