57063157768 has 8 divisors (see below), whose sum is σ = 106993420830. Its totient is φ = 28531578880.

The previous prime is 57063157751. The next prime is 57063157771. The reversal of 57063157768 is 86775136075.

It can be written as a sum of positive squares in only one way, i.e., 57045500964 + 17656804 = 238842^2 + 4202^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3566447353 + ... + 3566447368.

Almost surely, 2^57063157768 is an apocalyptic number.

It is an amenable number.

57063157768 is a deficient number, since it is larger than the sum of its proper divisors (49930263062).

57063157768 is a wasteful number, since it uses less digits than its factorization.

57063157768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7132894727 (or 7132894723 counting only the distinct ones).

The product of its (nonzero) digits is 7408800, while the sum is 55.

The spelling of 57063157768 in words is "fifty-seven billion, sixty-three million, one hundred fifty-seven thousand, seven hundred sixty-eight".