79522307999 has 2 divisors, whose sum is σ = 79522308000. Its totient is φ = 79522307998.

The previous prime is 79522307987. The next prime is 79522308013. The reversal of 79522307999 is 99970322597.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (99970322597) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 79522307999 - 2¹⁶ = 79522242463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79522307929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39761153999 + 39761154000.

It is an arithmetic number, because the mean of its divisors is an integer number (39761154000).

Almost surely, 2^79522307999 is an apocalyptic number.

79522307999 is a deficient number, since it is larger than the sum of its proper divisors (1).

79522307999 is an equidigital number, since it uses as much as digits as its factorization.

79522307999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19289340, while the sum is 62.

The spelling of 79522307999 in words is "seventy-nine billion, five hundred twenty-two million, three hundred seven thousand, nine hundred ninety-nine".