57028487313880 has 64 divisors (see below), whose sum is σ = 129666522348000. Its totient is φ = 22571530066944.

The previous prime is 57028487313877. The next prime is 57028487313881. The reversal of 57028487313880 is 8831378482075.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57028487313881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5627709 + ... + 12071788.

Almost surely, 2^{57028487313880} is an apocalyptic number.

It is an amenable number.

57028487313880 is an abundant number, since it is smaller than the sum of its proper divisors (72638035034120).

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

57028487313880 is a wasteful number, since it uses less digits than its factorization.

57028487313880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17700356 (or 17700352 counting only the distinct ones).

The product of its (nonzero) digits is 72253440, while the sum is 64.

The spelling of 57028487313880 in words is "fifty-seven trillion, twenty-eight billion, four hundred eighty-seven million, three hundred thirteen thousand, eight hundred eighty".