768996964 has 24 divisors (see below), whose sum is σ = 1353816576. Its totient is φ = 382200000.

The previous prime is 768996947. The next prime is 768996967. The reversal of 768996964 is 469699867.

It is a junction number, because it is equal to n+sod(n) for n = 768996896 and 768996905.

It is not an unprimeable number, because it can be changed into a prime (768996967) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 843669 + ... + 844579.

It is an arithmetic number, because the mean of its divisors is an integer number (56409024).

Almost surely, 2^768996964 is an apocalyptic number.

It is an amenable number.

768996964 is a deficient number, since it is larger than the sum of its proper divisors (584819612).

768996964 is a wasteful number, since it uses less digits than its factorization.

768996964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1947 (or 1945 counting only the distinct ones).

The product of its digits is 35271936, while the sum is 64.

The square root of 768996964 is about 27730.7945071900. The cubic root of 768996964 is about 916.1674862025.

It can be divided in two parts, 7689 and 96964, that added together give a triangular number (104653 = T₄₅₇).

The spelling of 768996964 in words is "seven hundred sixty-eight million, nine hundred ninety-six thousand, nine hundred sixty-four".