57368661687 has 12 divisors (see below), whose sum is σ = 84429351864. Its totient is φ = 37524155760.

The previous prime is 57368661661. The next prime is 57368661709. The reversal of 57368661687 is 78616686375.

57368661687 is a `hidden beast` number, since 5 + 7 + 3 + 6 + 8 + 6 + 616 + 8 + 7 = 666.

It is not a de Polignac number, because 57368661687 - 2¹¹ = 57368659639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57368661607) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60134389 + ... + 60135342.

It is an arithmetic number, because the mean of its divisors is an integer number (7035779322).

Almost surely, 2^57368661687 is an apocalyptic number.

57368661687 is a deficient number, since it is larger than the sum of its proper divisors (27060690177).

57368661687 is a wasteful number, since it uses less digits than its factorization.

57368661687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120269790 (or 120269787 counting only the distinct ones).

The product of its digits is 60963840, while the sum is 63.

The spelling of 57368661687 in words is "fifty-seven billion, three hundred sixty-eight million, six hundred sixty-one thousand, six hundred eighty-seven".