28500530576 has 20 divisors (see below), whose sum is σ = 63108317952. Its totient is φ = 12214513056.

The previous prime is 28500530567. The next prime is 28500530627. The reversal of 28500530576 is 67503500582.

It is a super-2 number, since 2×28500530576² (a number of 22 digits) contains 22 as substring.

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, 127234400 + ... + 127234623.

Almost surely, 2^28500530576 is an apocalyptic number.

It is an amenable number.

28500530576 is an abundant number, since it is smaller than the sum of its proper divisors (34607787376).

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

28500530576 is a wasteful number, since it uses less digits than its factorization.

28500530576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254469038 (or 254469032 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 41.

The spelling of 28500530576 in words is "twenty-eight billion, five hundred million, five hundred thirty thousand, five hundred seventy-six".