57680866 has 8 divisors (see below), whose sum is σ = 86561280. Its totient is φ = 28827108.

The previous prime is 57680851. The next prime is 57680867. The reversal of 57680866 is 66808675.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (57680867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135 + ... + 10741.

It is an arithmetic number, because the mean of its divisors is an integer number (10820160).

Almost surely, 2^57680866 is an apocalyptic number.

57680866 is a deficient number, since it is larger than the sum of its proper divisors (28880414).

57680866 is a wasteful number, since it uses less digits than its factorization.

57680866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13328.

The product of its (nonzero) digits is 483840, while the sum is 46.

The square root of 57680866 is about 7594.7920313857. The cubic root of 57680866 is about 386.3763991103.

The spelling of 57680866 in words is "fifty-seven million, six hundred eighty thousand, eight hundred sixty-six".