57857079660 has 48 divisors (see below), whose sum is σ = 163572654336. Its totient is φ = 15278761152.

The previous prime is 57857079641. The next prime is 57857079661. The reversal of 57857079660 is 6697075875.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a junction number, because it is equal to n+sod(n) for n = 57857079594 and 57857079603.

It is not an unprimeable number, because it can be changed into a prime (57857079661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4674814 + ... + 4687173.

It is an arithmetic number, because the mean of its divisors is an integer number (3407763632).

Almost surely, 2^57857079660 is an apocalyptic number.

It is an amenable number.

57857079660 is an abundant number, since it is smaller than the sum of its proper divisors (105715574676).

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

57857079660 is a wasteful number, since it uses less digits than its factorization.

57857079660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9362102 (or 9362100 counting only the distinct ones).

The product of its (nonzero) digits is 22226400, while the sum is 60.

The spelling of 57857079660 in words is "fifty-seven billion, eight hundred fifty-seven million, seventy-nine thousand, six hundred sixty".