12988736677 has 4 divisors (see below), whose sum is σ = 14844270496. Its totient is φ = 11133202860.

The previous prime is 12988736671. The next prime is 12988736707. The reversal of 12988736677 is 77663788921.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12988736677 - 2²⁷ = 12854518949 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 (12988736671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 927766899 + ... + 927766912.

It is an arithmetic number, because the mean of its divisors is an integer number (3711067624).

Almost surely, 2^12988736677 is an apocalyptic number.

It is an amenable number.

12988736677 is a deficient number, since it is larger than the sum of its proper divisors (1855533819).

12988736677 is an equidigital number, since it uses as much as digits as its factorization.

12988736677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1855533818.

The product of its digits is 42674688, while the sum is 64.

The spelling of 12988736677 in words is "twelve billion, nine hundred eighty-eight million, seven hundred thirty-six thousand, six hundred seventy-seven".