57728377262164 has 12 divisors (see below), whose sum is σ = 115456754524384. Its totient is φ = 24740733112344.

The previous prime is 57728377262147. The next prime is 57728377262287. The reversal of 57728377262164 is 46126277382775.

57728377262164 is an admirable number.

It is a hoax number, since the sum of its digits (67) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 57728377262164.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1030863879654 + ... + 1030863879709.

Almost surely, 2^{57728377262164} is an apocalyptic number.

It is an amenable number.

57728377262164 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

57728377262164 is a wasteful number, since it uses less digits than its factorization.

57728377262164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2061727759374 (or 2061727759372 counting only the distinct ones).

The product of its digits is 331914240, while the sum is 67.

The spelling of 57728377262164 in words is "fifty-seven trillion, seven hundred twenty-eight billion, three hundred seventy-seven million, two hundred sixty-two thousand, one hundred sixty-four".