79722160811 has 2 divisors, whose sum is σ = 79722160812. Its totient is φ = 79722160810.

The previous prime is 79722160801. The next prime is 79722160823. The reversal of 79722160811 is 11806122797.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 79722160811 - 2⁶ = 79722160747 is a prime.

It is not a weakly prime, because it can be changed into another prime (79722160801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39861080405 + 39861080406.

It is an arithmetic number, because the mean of its divisors is an integer number (39861080406).

Almost surely, 2^79722160811 is an apocalyptic number.

79722160811 is a deficient number, since it is larger than the sum of its proper divisors (1).

79722160811 is an equidigital number, since it uses as much as digits as its factorization.

79722160811 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84672, while the sum is 44.

The spelling of 79722160811 in words is "seventy-nine billion, seven hundred twenty-two million, one hundred sixty thousand, eight hundred eleven".