3977160866 has 16 divisors (see below), whose sum is σ = 6819598656. Its totient is φ = 1704095376.

The previous prime is 3977160823. The next prime is 3977160871. The reversal of 3977160866 is 6680617793.

It is a Curzon 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, 32420 + ... + 94896.

It is an arithmetic number, because the mean of its divisors is an integer number (426224916).

Almost surely, 2^3977160866 is an apocalyptic number.

3977160866 is a deficient number, since it is larger than the sum of its proper divisors (2842437790).

3977160866 is a wasteful number, since it uses less digits than its factorization.

3977160866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67033.

The product of its (nonzero) digits is 2286144, while the sum is 53.

The square root of 3977160866 is about 63064.7355183545. The cubic root of 3977160866 is about 1584.3740446737.

The spelling of 3977160866 in words is "three billion, nine hundred seventy-seven million, one hundred sixty thousand, eight hundred sixty-six".