57678664 has 16 divisors (see below), whose sum is σ = 112849920. Its totient is φ = 27585360.

The previous prime is 57678619. The next prime is 57678679. The reversal of 57678664 is 46687675.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156552 + ... + 156919.

It is an arithmetic number, because the mean of its divisors is an integer number (7053120).

Almost surely, 2^57678664 is an apocalyptic number.

It is an amenable number.

57678664 is a deficient number, since it is larger than the sum of its proper divisors (55171256).

57678664 is a wasteful number, since it uses less digits than its factorization.

57678664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313500 (or 313496 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 49.

The square root of 57678664 is about 7594.6470622406. The cubic root of 57678664 is about 386.3714823345.

The spelling of 57678664 in words is "fifty-seven million, six hundred seventy-eight thousand, six hundred sixty-four".