12796677889578 has 48 divisors (see below), whose sum is σ = 30405052933632. Its totient is φ = 3857478648000.

The previous prime is 12796677889529. The next prime is 12796677889603. The reversal of 12796677889578 is 87598877669721.

12796677889578 is a `hidden beast` number, since 1 + 27 + 9 + 6 + 6 + 7 + 7 + 8 + 8 + 9 + 578 = 666.

It is a super-2 number, since 2×12796677889578² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 169149843 + ... + 169225478.

It is an arithmetic number, because the mean of its divisors is an integer number (633438602784).

Almost surely, 2^{12796677889578} is an apocalyptic number.

12796677889578 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

12796677889578 is an abundant number, since it is smaller than the sum of its proper divisors (17608375044054).

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

12796677889578 is a wasteful number, since it uses less digits than its factorization.

12796677889578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338375531 (or 338375528 counting only the distinct ones).

The product of its digits is 35846737920, while the sum is 90.

The spelling of 12796677889578 in words is "twelve trillion, seven hundred ninety-six billion, six hundred seventy-seven million, eight hundred eighty-nine thousand, five hundred seventy-eight".