57779513794 has 16 divisors (see below), whose sum is σ = 89662209336. Its totient is φ = 27906064000.

The previous prime is 57779513707. The next prime is 57779513807. The reversal of 57779513794 is 49731597775.

It can be written as a sum of positive squares in 4 ways, for example, as 30343898025 + 27435615769 = 174195^2 + 165637^2 .

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, 3479977 + ... + 3496540.

Almost surely, 2^57779513794 is an apocalyptic number.

57779513794 is a deficient number, since it is larger than the sum of its proper divisors (31882695542).

57779513794 is a wasteful number, since it uses less digits than its factorization.

57779513794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6976661.

The product of its digits is 58344300, while the sum is 64.

The spelling of 57779513794 in words is "fifty-seven billion, seven hundred seventy-nine million, five hundred thirteen thousand, seven hundred ninety-four".