12792891788 has 6 divisors (see below), whose sum is σ = 22387560636. Its totient is φ = 6396445892.

The previous prime is 12792891763. The next prime is 12792891869. The reversal of 12792891788 is 88719829721.

It is a self number, because there is not a number n which added to its sum of digits gives 12792891788.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1599111470 + ... + 1599111477.

It is an arithmetic number, because the mean of its divisors is an integer number (3731260106).

Almost surely, 2^12792891788 is an apocalyptic number.

It is an amenable number.

12792891788 is a deficient number, since it is larger than the sum of its proper divisors (9594668848).

12792891788 is a wasteful number, since it uses less digits than its factorization.

12792891788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3198222951 (or 3198222949 counting only the distinct ones).

The product of its digits is 8128512, while the sum is 62.

The spelling of 12792891788 in words is "twelve billion, seven hundred ninety-two million, eight hundred ninety-one thousand, seven hundred eighty-eight".