57361574778 has 16 divisors (see below), whose sum is σ = 114768046560. Its totient is φ = 19113042096.

The previous prime is 57361574723. The next prime is 57361574783. The reversal of 57361574778 is 87747516375.

57361574778 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×57361574778² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1854088 + ... + 1884771.

It is an arithmetic number, because the mean of its divisors is an integer number (7173002910).

Almost surely, 2^57361574778 is an apocalyptic number.

57361574778 is an abundant number, since it is smaller than the sum of its proper divisors (57406471782).

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

57361574778 is a wasteful number, since it uses less digits than its factorization.

57361574778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3741421.

The product of its digits is 34574400, while the sum is 60.

The spelling of 57361574778 in words is "fifty-seven billion, three hundred sixty-one million, five hundred seventy-four thousand, seven hundred seventy-eight".