12915960677 has 2 divisors, whose sum is σ = 12915960678. Its totient is φ = 12915960676.

The previous prime is 12915960653. The next prime is 12915960679. The reversal of 12915960677 is 77606951921.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7015570081 + 5900390596 = 83759^2 + 76814^2 .

It is a cyclic number.

It is not a de Polignac number, because 12915960677 - 2²⁴ = 12899183461 is a prime.

Together with 12915960679, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12915960679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6457980338 + 6457980339.

It is an arithmetic number, because the mean of its divisors is an integer number (6457980339).

Almost surely, 2^12915960677 is an apocalyptic number.

It is an amenable number.

12915960677 is a deficient number, since it is larger than the sum of its proper divisors (1).

12915960677 is an equidigital number, since it uses as much as digits as its factorization.

12915960677 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1428840, while the sum is 53.

The spelling of 12915960677 in words is "twelve billion, nine hundred fifteen million, nine hundred sixty thousand, six hundred seventy-seven".