28300585256 has 16 divisors (see below), whose sum is σ = 53659818900. Its totient is φ = 13991300224.

The previous prime is 28300585231. The next prime is 28300585277. The reversal of 28300585256 is 65258500382.

It can be written as a sum of positive squares in 2 ways, for example, as 26547488356 + 1753096900 = 162934^2 + 41870^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19873295 + ... + 19874718.

Almost surely, 2^28300585256 is an apocalyptic number.

It is an amenable number.

28300585256 is a deficient number, since it is larger than the sum of its proper divisors (25359233644).

28300585256 is a wasteful number, since it uses less digits than its factorization.

28300585256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39748108 (or 39748104 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 44.

The spelling of 28300585256 in words is "twenty-eight billion, three hundred million, five hundred eighty-five thousand, two hundred fifty-six".