28315009584 has 30 divisors (see below), whose sum is σ = 79242700836. Its totient is φ = 9438336480.

The previous prime is 28315009543. The next prime is 28315009621. The reversal of 28315009584 is 48590051382.

28315009584 is a `hidden beast` number, since 28 + 31 + 500 + 95 + 8 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 98315862 + ... + 98316149.

Almost surely, 2^28315009584 is an apocalyptic number.

28315009584 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

28315009584 is an abundant number, since it is smaller than the sum of its proper divisors (50927691252).

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

28315009584 is a wasteful number, since it uses less digits than its factorization.

28315009584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196632025 (or 196632016 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 45.

The spelling of 28315009584 in words is "twenty-eight billion, three hundred fifteen million, nine thousand, five hundred eighty-four".