79992869023 has 2 divisors, whose sum is σ = 79992869024. Its totient is φ = 79992869022.

The previous prime is 79992869003. The next prime is 79992869051. The reversal of 79992869023 is 32096829997.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 79992869023 - 2²¹ = 79990771871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79992869003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39996434511 + 39996434512.

It is an arithmetic number, because the mean of its divisors is an integer number (39996434512).

Almost surely, 2^79992869023 is an apocalyptic number.

79992869023 is a deficient number, since it is larger than the sum of its proper divisors (1).

79992869023 is an equidigital number, since it uses as much as digits as its factorization.

79992869023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26453952, while the sum is 64.

The spelling of 79992869023 in words is "seventy-nine billion, nine hundred ninety-two million, eight hundred sixty-nine thousand, twenty-three".