572687857681 has 48 divisors (see below), whose sum is σ = 607142692800. Its totient is φ = 539882096000.

The previous prime is 572687857657. The next prime is 572687857823. The reversal of 572687857681 is 186758786275.

It is not a de Polignac number, because 572687857681 - 2⁵ = 572687857649 is a prime.

It is a super-2 number, since 2×572687857681² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 572687857681.

It is not an unprimeable number, because it can be changed into a prime (572687854681) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2281624806 + ... + 2281625056.

It is an arithmetic number, because the mean of its divisors is an integer number (12648806100).

Almost surely, 2^572687857681 is an apocalyptic number.

It is an amenable number.

572687857681 is a deficient number, since it is larger than the sum of its proper divisors (34454835119).

572687857681 is a wasteful number, since it uses less digits than its factorization.

572687857681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654 (or 595 counting only the distinct ones).

The product of its digits is 316108800, while the sum is 70.

The spelling of 572687857681 in words is "five hundred seventy-two billion, six hundred eighty-seven million, eight hundred fifty-seven thousand, six hundred eighty-one".