12876923797 has 2 divisors, whose sum is σ = 12876923798. Its totient is φ = 12876923796.

The previous prime is 12876923777. The next prime is 12876923821. The reversal of 12876923797 is 79732967821.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10287233476 + 2589690321 = 101426^2 + 50889^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12876923797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12876923707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6438461898 + 6438461899.

It is an arithmetic number, because the mean of its divisors is an integer number (6438461899).

Almost surely, 2^12876923797 is an apocalyptic number.

It is an amenable number.

12876923797 is a deficient number, since it is larger than the sum of its proper divisors (1).

12876923797 is an equidigital number, since it uses as much as digits as its factorization.

12876923797 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16003008, while the sum is 61.

The spelling of 12876923797 in words is "twelve billion, eight hundred seventy-six million, nine hundred twenty-three thousand, seven hundred ninety-seven".