57389505678 has 24 divisors (see below), whose sum is σ = 124356560328. Its totient is φ = 19127891952.

The previous prime is 57389505661. The next prime is 57389505683. The reversal of 57389505678 is 87650598375.

57389505678 is a `hidden beast` number, since 57 + 3 + 8 + 9 + 505 + 6 + 78 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26076 + ... + 339792.

It is an arithmetic number, because the mean of its divisors is an integer number (5181523347).

Almost surely, 2^57389505678 is an apocalyptic number.

57389505678 is an abundant number, since it is smaller than the sum of its proper divisors (66967054650).

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

57389505678 is a wasteful number, since it uses less digits than its factorization.

57389505678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323888 (or 323885 counting only the distinct ones).

The product of its (nonzero) digits is 63504000, while the sum is 63.

The spelling of 57389505678 in words is "fifty-seven billion, three hundred eighty-nine million, five hundred five thousand, six hundred seventy-eight".