12977627976 has 32 divisors (see below), whose sum is σ = 36048967200. Its totient is φ = 4325875920.

The previous prime is 12977627903. The next prime is 12977627981. The reversal of 12977627976 is 67972677921.

12977627976 is a `hidden beast` number, since 1 + 297 + 7 + 6 + 279 + 76 = 666.

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, 30040590 + ... + 30041021.

It is an arithmetic number, because the mean of its divisors is an integer number (1126530225).

Almost surely, 2^12977627976 is an apocalyptic number.

It is an amenable number.

12977627976 is an abundant number, since it is smaller than the sum of its proper divisors (23071339224).

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

12977627976 is a wasteful number, since it uses less digits than its factorization.

12977627976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60081626 (or 60081616 counting only the distinct ones).

The product of its digits is 28005264, while the sum is 63.

The spelling of 12977627976 in words is "twelve billion, nine hundred seventy-seven million, six hundred twenty-seven thousand, nine hundred seventy-six".