28107874764 has 72 divisors (see below), whose sum is σ = 71805525792. Its totient is φ = 9269890560.

The previous prime is 28107874759. The next prime is 28107874793. The reversal of 28107874764 is 46747870182.

It is a self number, because there is not a number n which added to its sum of digits gives 28107874764.

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, 5088324 + ... + 5093844.

Almost surely, 2^28107874764 is an apocalyptic number.

It is an amenable number.

28107874764 is an abundant number, since it is smaller than the sum of its proper divisors (43697651028).

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

28107874764 is a wasteful number, since it uses less digits than its factorization.

28107874764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7007 (or 7002 counting only the distinct ones).

The product of its (nonzero) digits is 4214784, while the sum is 54.

The spelling of 28107874764 in words is "twenty-eight billion, one hundred seven million, eight hundred seventy-four thousand, seven hundred sixty-four".