12637431677 has 8 divisors (see below), whose sum is σ = 14325833760. Its totient is φ = 11051357040.

The previous prime is 12637431643. The next prime is 12637431689. The reversal of 12637431677 is 77613473621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12637431677 - 2⁸ = 12637431421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12637430677) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25581599 + ... + 25582092.

It is an arithmetic number, because the mean of its divisors is an integer number (1790729220).

Almost surely, 2^12637431677 is an apocalyptic number.

It is an amenable number.

12637431677 is a deficient number, since it is larger than the sum of its proper divisors (1688402083).

12637431677 is a wasteful number, since it uses less digits than its factorization.

12637431677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51163723.

The product of its digits is 889056, while the sum is 47.

The spelling of 12637431677 in words is "twelve billion, six hundred thirty-seven million, four hundred thirty-one thousand, six hundred seventy-seven".