12876378887664 has 30 divisors (see below), whose sum is σ = 36035977026296. Its totient is φ = 4292126295840.

The previous prime is 12876378887629. The next prime is 12876378887717. The reversal of 12876378887664 is 46678887367821.

It is a super-2 number, since 2×12876378887664² (a number of 27 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 5 ways as a sum of consecutive naturals, for example, 44709648772 + ... + 44709649059.

Almost surely, 2^{12876378887664} is an apocalyptic number.

It is an amenable number.

12876378887664 is an abundant number, since it is smaller than the sum of its proper divisors (23159598138632).

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

12876378887664 is a wasteful number, since it uses less digits than its factorization.

12876378887664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89419297845 (or 89419297836 counting only the distinct ones).

The product of its digits is 7283146752, while the sum is 81.

The spelling of 12876378887664 in words is "twelve trillion, eight hundred seventy-six billion, three hundred seventy-eight million, eight hundred eighty-seven thousand, six hundred sixty-four".