12977762227 has 2 divisors, whose sum is σ = 12977762228. Its totient is φ = 12977762226.

The previous prime is 12977762219. The next prime is 12977762233. The reversal of 12977762227 is 72226777921.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12977762227 - 2³ = 12977762219 is a prime.

It is not a weakly prime, because it can be changed into another prime (12977762257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6488881113 + 6488881114.

It is an arithmetic number, because the mean of its divisors is an integer number (6488881114).

Almost surely, 2^12977762227 is an apocalyptic number.

12977762227 is a deficient number, since it is larger than the sum of its proper divisors (1).

12977762227 is an equidigital number, since it uses as much as digits as its factorization.

12977762227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2074464, while the sum is 52.

The spelling of 12977762227 in words is "twelve billion, nine hundred seventy-seven million, seven hundred sixty-two thousand, two hundred twenty-seven".