77168612 has 12 divisors (see below), whose sum is σ = 135176496. Its totient is φ = 38546760.

The previous prime is 77168603. The next prime is 77168639. The reversal of 77168612 is 21686177.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4478 + ... + 13205.

It is an arithmetic number, because the mean of its divisors is an integer number (11264708).

Almost surely, 2^77168612 is an apocalyptic number.

It is an amenable number.

77168612 is a deficient number, since it is larger than the sum of its proper divisors (58007884).

77168612 is a wasteful number, since it uses less digits than its factorization.

77168612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18778 (or 18776 counting only the distinct ones).

The product of its digits is 28224, while the sum is 38.

The square root of 77168612 is about 8784.5666939241. The cubic root of 77168612 is about 425.7423923951.

The spelling of 77168612 in words is "seventy-seven million, one hundred sixty-eight thousand, six hundred twelve".