77712604 has 12 divisors (see below), whose sum is σ = 136065328. Its totient is φ = 38836800.

The previous prime is 77712581. The next prime is 77712611. The reversal of 77712604 is 40621777.

It is a self number, because there is not a number n which added to its sum of digits gives 77712604.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7684 + ... + 14644.

Almost surely, 2^77712604 is an apocalyptic number.

It is an amenable number.

77712604 is a deficient number, since it is larger than the sum of its proper divisors (58352724).

77712604 is a wasteful number, since it uses less digits than its factorization.

77712604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9756 (or 9754 counting only the distinct ones).

The product of its (nonzero) digits is 16464, while the sum is 34.

The square root of 77712604 is about 8815.4752566155. The cubic root of 77712604 is about 426.7404595131.

The spelling of 77712604 in words is "seventy-seven million, seven hundred twelve thousand, six hundred four".