57716225778 has 64 divisors (see below), whose sum is σ = 123120984960. Its totient is φ = 18002460672.

The previous prime is 57716225761. The next prime is 57716225797. The reversal of 57716225778 is 87752261775.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1637125 + ... + 1672007.

It is an arithmetic number, because the mean of its divisors is an integer number (1923765390).

Almost surely, 2^57716225778 is an apocalyptic number.

57716225778 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

57716225778 is an abundant number, since it is smaller than the sum of its proper divisors (65404759182).

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

57716225778 is a wasteful number, since it uses less digits than its factorization.

57716225778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35211.

The product of its digits is 11524800, while the sum is 57.

The spelling of 57716225778 in words is "fifty-seven billion, seven hundred sixteen million, two hundred twenty-five thousand, seven hundred seventy-eight".