768816307472 has 40 divisors (see below), whose sum is σ = 1523184759936. Its totient is φ = 375756907136.

The previous prime is 768816307433. The next prime is 768816307489. The reversal of 768816307472 is 274703618867.

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, 42038 + ... + 1240725.

Almost surely, 2^768816307472 is an apocalyptic number.

It is an amenable number.

768816307472 is a deficient number, since it is larger than the sum of its proper divisors (754368452464).

768816307472 is a wasteful number, since it uses less digits than its factorization.

768816307472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1283615 (or 1283609 counting only the distinct ones).

The product of its (nonzero) digits is 18966528, while the sum is 59.

The spelling of 768816307472 in words is "seven hundred sixty-eight billion, eight hundred sixteen million, three hundred seven thousand, four hundred seventy-two".