28597470672 has 40 divisors (see below), whose sum is σ = 73889154720. Its totient is φ = 9530896000.

The previous prime is 28597470631. The next prime is 28597470679. The reversal of 28597470672 is 27607479582.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28597470679) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 260047 + ... + 353297.

It is an arithmetic number, because the mean of its divisors is an integer number (1847228868).

Almost surely, 2^28597470672 is an apocalyptic number.

It is an amenable number.

28597470672 is an abundant number, since it is smaller than the sum of its proper divisors (45291684048).

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

28597470672 is a wasteful number, since it uses less digits than its factorization.

28597470672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99651 (or 99645 counting only the distinct ones).

The product of its (nonzero) digits is 11854080, while the sum is 57.

The spelling of 28597470672 in words is "twenty-eight billion, five hundred ninety-seven million, four hundred seventy thousand, six hundred seventy-two".