79562956729 has 2 divisors, whose sum is σ = 79562956730. Its totient is φ = 79562956728.

The previous prime is 79562956643. The next prime is 79562956763. The reversal of 79562956729 is 92765926597.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61243875625 + 18319081104 = 247475^2 + 135348^2 .

It is an emirp because it is prime and its reverse (92765926597) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 79562956729 - 2⁷ = 79562956601 is a prime.

It is not a weakly prime, because it can be changed into another prime (79562956829) 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, 39781478364 + 39781478365.

It is an arithmetic number, because the mean of its divisors is an integer number (39781478365).

Almost surely, 2^79562956729 is an apocalyptic number.

It is an amenable number.

79562956729 is a deficient number, since it is larger than the sum of its proper divisors (1).

79562956729 is an equidigital number, since it uses as much as digits as its factorization.

79562956729 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 128595600, while the sum is 67.

The spelling of 79562956729 in words is "seventy-nine billion, five hundred sixty-two million, nine hundred fifty-six thousand, seven hundred twenty-nine".