768678851512 has 64 divisors (see below), whose sum is σ = 1696949906400. Its totient is φ = 321816637440.

The previous prime is 768678851503. The next prime is 768678851533. The reversal of 768678851512 is 215158876867.

It is a super-2 number, since 2×768678851512² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 212337 + ... + 1257952.

Almost surely, 2^768678851512 is an apocalyptic number.

It is an amenable number.

768678851512 is an abundant number, since it is smaller than the sum of its proper divisors (928271054888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

768678851512 is a wasteful number, since it uses less digits than its factorization.

768678851512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1470776 (or 1470772 counting only the distinct ones).

The product of its digits is 45158400, while the sum is 64.

The spelling of 768678851512 in words is "seven hundred sixty-eight billion, six hundred seventy-eight million, eight hundred fifty-one thousand, five hundred twelve".