12779276268 has 24 divisors (see below), whose sum is σ = 32529067200. Its totient is φ = 3872507920.

The previous prime is 12779276243. The next prime is 12779276311. The reversal of 12779276268 is 86267297721.

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

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, 48406218 + ... + 48406481.

It is an arithmetic number, because the mean of its divisors is an integer number (1355377800).

Almost surely, 2^12779276268 is an apocalyptic number.

It is an amenable number.

12779276268 is an abundant number, since it is smaller than the sum of its proper divisors (19749790932).

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

12779276268 is a wasteful number, since it uses less digits than its factorization.

12779276268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96812717 (or 96812715 counting only the distinct ones).

The product of its digits is 7112448, while the sum is 57.

The spelling of 12779276268 in words is "twelve billion, seven hundred seventy-nine million, two hundred seventy-six thousand, two hundred sixty-eight".