28372671528 has 64 divisors (see below), whose sum is σ = 71994908160. Its totient is φ = 9316456896.

The previous prime is 28372671511. The next prime is 28372671559. The reversal of 28372671528 is 82517627382.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 670701 + ... + 711747.

It is an arithmetic number, because the mean of its divisors is an integer number (1124920440).

Almost surely, 2^28372671528 is an apocalyptic number.

It is an amenable number.

28372671528 is an abundant number, since it is smaller than the sum of its proper divisors (43622236632).

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

28372671528 is a wasteful number, since it uses less digits than its factorization.

28372671528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41486 (or 41482 counting only the distinct ones).

The product of its digits is 2257920, while the sum is 51.

The spelling of 28372671528 in words is "twenty-eight billion, three hundred seventy-two million, six hundred seventy-one thousand, five hundred twenty-eight".