28572830124 has 48 divisors (see below), whose sum is σ = 68494906368. Its totient is φ = 9263740608.

The previous prime is 28572830009. The next prime is 28572830137. The reversal of 28572830124 is 42103827582.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1565797 + ... + 1583939.

It is an arithmetic number, because the mean of its divisors is an integer number (1426977216).

Almost surely, 2^28572830124 is an apocalyptic number.

It is an amenable number.

28572830124 is an abundant number, since it is smaller than the sum of its proper divisors (39922076244).

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

28572830124 is a wasteful number, since it uses less digits than its factorization.

28572830124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21734 (or 21732 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 42.

The spelling of 28572830124 in words is "twenty-eight billion, five hundred seventy-two million, eight hundred thirty thousand, one hundred twenty-four".