12677656527 has 12 divisors (see below), whose sum is σ = 18336243744. Its totient is φ = 8440660320.

The previous prime is 12677656513. The next prime is 12677656529. The reversal of 12677656527 is 72565677621.

12677656527 is a `hidden beast` number, since 1 + 2 + 6 + 7 + 76 + 565 + 2 + 7 = 666.

It is not a de Polignac number, because 12677656527 - 2⁷ = 12677656399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12677656529) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 918663 + ... + 932360.

It is an arithmetic number, because the mean of its divisors is an integer number (1528020312).

Almost surely, 2^12677656527 is an apocalyptic number.

12677656527 is a deficient number, since it is larger than the sum of its proper divisors (5658587217).

12677656527 is a wasteful number, since it uses less digits than its factorization.

12677656527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1851790 (or 1851787 counting only the distinct ones).

The product of its digits is 7408800, while the sum is 54.

The spelling of 12677656527 in words is "twelve billion, six hundred seventy-seven million, six hundred fifty-six thousand, five hundred twenty-seven".