12772424957 has 2 divisors, whose sum is σ = 12772424958. Its totient is φ = 12772424956.

The previous prime is 12772424947. The next prime is 12772424983. The reversal of 12772424957 is 75942427721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11231548441 + 1540876516 = 105979^2 + 39254^2 .

It is a cyclic number.

It is not a de Polignac number, because 12772424957 - 2²² = 12768230653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12772424947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6386212478 + 6386212479.

It is an arithmetic number, because the mean of its divisors is an integer number (6386212479).

Almost surely, 2^12772424957 is an apocalyptic number.

It is an amenable number.

12772424957 is a deficient number, since it is larger than the sum of its proper divisors (1).

12772424957 is an equidigital number, since it uses as much as digits as its factorization.

12772424957 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1975680, while the sum is 50.

The spelling of 12772424957 in words is "twelve billion, seven hundred seventy-two million, four hundred twenty-four thousand, nine hundred fifty-seven".