79085165803 has 16 divisors (see below), whose sum is σ = 93969437184. Its totient is φ = 65146847040.

The previous prime is 79085165779. The next prime is 79085165813. The reversal of 79085165803 is 30856158097.

It is a cyclic number.

It is not a de Polignac number, because 79085165803 - 2⁵ = 79085165771 is a prime.

It is not an unprimeable number, because it can be changed into a prime (79085165813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2037175 + ... + 2075632.

It is an arithmetic number, because the mean of its divisors is an integer number (5873089824).

Almost surely, 2^79085165803 is an apocalyptic number.

79085165803 is a deficient number, since it is larger than the sum of its proper divisors (14884271381).

79085165803 is a wasteful number, since it uses less digits than its factorization.

79085165803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4112922.

The product of its (nonzero) digits is 1814400, while the sum is 52.

The spelling of 79085165803 in words is "seventy-nine billion, eighty-five million, one hundred sixty-five thousand, eight hundred three".