77168716 has 12 divisors (see below), whose sum is σ = 135112320. Its totient is φ = 38565200.

The previous prime is 77168713. The next prime is 77168719. The reversal of 77168716 is 61786177.

It is an interprime number because it is at equal distance from previous prime (77168713) and next prime (77168719).

It is not an unprimeable number, because it can be changed into a prime (77168713) 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, 8166 + ... + 14866.

It is an arithmetic number, because the mean of its divisors is an integer number (11259360).

Almost surely, 2^77168716 is an apocalyptic number.

It is an amenable number.

77168716 is a deficient number, since it is larger than the sum of its proper divisors (57943604).

77168716 is a wasteful number, since it uses less digits than its factorization.

77168716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9584 (or 9582 counting only the distinct ones).

The product of its digits is 98784, while the sum is 43.

The square root of 77168716 is about 8784.5726133945. The cubic root of 77168716 is about 425.7425836524.

The spelling of 77168716 in words is "seventy-seven million, one hundred sixty-eight thousand, seven hundred sixteen".