57107777900 has 36 divisors (see below), whose sum is σ = 125669300400. Its totient is φ = 22521374400.

The previous prime is 57107777893. The next prime is 57107777927. The reversal of 57107777900 is 977770175.

It is a super-2 number, since 2×57107777900² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4014575 + ... + 4028774.

It is an arithmetic number, because the mean of its divisors is an integer number (3490813900).

Almost surely, 2^57107777900 is an apocalyptic number.

57107777900 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

57107777900 is an abundant number, since it is smaller than the sum of its proper divisors (68561522500).

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

57107777900 is a wasteful number, since it uses less digits than its factorization.

57107777900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8043434 (or 8043427 counting only the distinct ones).

The product of its (nonzero) digits is 756315, while the sum is 50.

The spelling of 57107777900 in words is "fifty-seven billion, one hundred seven million, seven hundred seventy-seven thousand, nine hundred".