28500360812 has 36 divisors (see below), whose sum is σ = 62653693200. Its totient is φ = 11104035360.

The previous prime is 28500360731. The next prime is 28500360881. The reversal of 28500360812 is 21806300582.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4202687 + ... + 4209462.

Almost surely, 2^28500360812 is an apocalyptic number.

28500360812 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

28500360812 is an abundant number, since it is smaller than the sum of its proper divisors (34153332388).

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

28500360812 is a wasteful number, since it uses less digits than its factorization.

28500360812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8412182 (or 8412169 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The spelling of 28500360812 in words is "twenty-eight billion, five hundred million, three hundred sixty thousand, eight hundred twelve".