79239706511 has 16 divisors (see below), whose sum is σ = 95677762560. Its totient is φ = 64107560160.

The previous prime is 79239706501. The next prime is 79239706523. The reversal of 79239706511 is 11560793297.

It is not a de Polignac number, because 79239706511 - 2¹⁸ = 79239444367 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 79239706511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79239706501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1063196 + ... + 1135281.

It is an arithmetic number, because the mean of its divisors is an integer number (5979860160).

Almost surely, 2^79239706511 is an apocalyptic number.

79239706511 is a deficient number, since it is larger than the sum of its proper divisors (16438056049).

79239706511 is a wasteful number, since it uses less digits than its factorization.

79239706511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2198774.

The product of its (nonzero) digits is 714420, while the sum is 50.

The spelling of 79239706511 in words is "seventy-nine billion, two hundred thirty-nine million, seven hundred six thousand, five hundred eleven".