57128632764 has 24 divisors (see below), whose sum is σ = 152343020928. Its totient is φ = 16322466480.

The previous prime is 57128632763. The next prime is 57128632789. The reversal of 57128632764 is 46723682175.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57128632763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 340051302 + ... + 340051469.

It is an arithmetic number, because the mean of its divisors is an integer number (6347625872).

Almost surely, 2^57128632764 is an apocalyptic number.

It is an amenable number.

57128632764 is an abundant number, since it is smaller than the sum of its proper divisors (95214388164).

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

57128632764 is a wasteful number, since it uses less digits than its factorization.

57128632764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680102785 (or 680102783 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 51.

The spelling of 57128632764 in words is "fifty-seven billion, one hundred twenty-eight million, six hundred thirty-two thousand, seven hundred sixty-four".