57147768668 has 24 divisors (see below), whose sum is σ = 102430973568. Its totient is φ = 27883030896.

The previous prime is 57147768653. The next prime is 57147768709. The reversal of 57147768668 is 86686774175.

It is a congruent number.

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, 26555 + ... + 339117.

It is an arithmetic number, because the mean of its divisors is an integer number (4267957232).

Almost surely, 2^57147768668 is an apocalyptic number.

It is an amenable number.

57147768668 is a deficient number, since it is larger than the sum of its proper divisors (45283204900).

57147768668 is a wasteful number, since it uses less digits than its factorization.

57147768668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313673 (or 313671 counting only the distinct ones).

The product of its digits is 94832640, while the sum is 65.

The spelling of 57147768668 in words is "fifty-seven billion, one hundred forty-seven million, seven hundred sixty-eight thousand, six hundred sixty-eight".