12577234677 has 16 divisors (see below), whose sum is σ = 19169001600. Its totient is φ = 7185606912.

The previous prime is 12577234673. The next prime is 12577234727. The reversal of 12577234677 is 77643277521.

It is a happy number.

It is not a de Polignac number, because 12577234677 - 2² = 12577234673 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12577234673) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59473 + ... + 169385.

It is an arithmetic number, because the mean of its divisors is an integer number (1198062600).

Almost surely, 2^12577234677 is an apocalyptic number.

It is an amenable number.

12577234677 is a deficient number, since it is larger than the sum of its proper divisors (6591766923).

12577234677 is a wasteful number, since it uses less digits than its factorization.

12577234677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115372.

The product of its digits is 3457440, while the sum is 51.

The spelling of 12577234677 in words is "twelve billion, five hundred seventy-seven million, two hundred thirty-four thousand, six hundred seventy-seven".