12577826047 has 2 divisors, whose sum is σ = 12577826048. Its totient is φ = 12577826046.

The previous prime is 12577825999. The next prime is 12577826071. The reversal of 12577826047 is 74062877521.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12577826047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12577826347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6288913023 + 6288913024.

It is an arithmetic number, because the mean of its divisors is an integer number (6288913024).

Almost surely, 2^12577826047 is an apocalyptic number.

12577826047 is a deficient number, since it is larger than the sum of its proper divisors (1).

12577826047 is an equidigital number, since it uses as much as digits as its factorization.

12577826047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1317120, while the sum is 49.

The spelling of 12577826047 in words is "twelve billion, five hundred seventy-seven million, eight hundred twenty-six thousand, forty-seven".