79239706523 has 2 divisors, whose sum is σ = 79239706524. Its totient is φ = 79239706522.

The previous prime is 79239706501. The next prime is 79239706573. The reversal of 79239706523 is 32560793297.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 79239706523 - 2²⁰ = 79238657947 is a prime.

It is not a weakly prime, because it can be changed into another prime (79239706573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39619853261 + 39619853262.

It is an arithmetic number, because the mean of its divisors is an integer number (39619853262).

Almost surely, 2^79239706523 is an apocalyptic number.

79239706523 is a deficient number, since it is larger than the sum of its proper divisors (1).

79239706523 is an equidigital number, since it uses as much as digits as its factorization.

79239706523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4286520, while the sum is 53.

The spelling of 79239706523 in words is "seventy-nine billion, two hundred thirty-nine million, seven hundred six thousand, five hundred twenty-three".