768634317 has 12 divisors (see below), whose sum is σ = 1211181504. Its totient is φ = 465838920.

The previous prime is 768634313. The next prime is 768634327. The reversal of 768634317 is 713436867.

768634317 is a `hidden beast` number, since 7 + 6 + 8 + 634 + 3 + 1 + 7 = 666.

It is not a de Polignac number, because 768634317 - 2² = 768634313 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (768634313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3881893 + ... + 3882090.

It is an arithmetic number, because the mean of its divisors is an integer number (100931792).

Almost surely, 2^768634317 is an apocalyptic number.

It is an amenable number.

768634317 is a deficient number, since it is larger than the sum of its proper divisors (442547187).

768634317 is a wasteful number, since it uses less digits than its factorization.

768634317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7764000 (or 7763997 counting only the distinct ones).

The product of its digits is 508032, while the sum is 45.

The square root of 768634317 is about 27724.2550305684. The cubic root of 768634317 is about 916.0234467820.

The spelling of 768634317 in words is "seven hundred sixty-eight million, six hundred thirty-four thousand, three hundred seventeen".