79194023758079 has 16 divisors (see below), whose sum is σ = 82091492521920. Its totient is φ = 76307678334720.

The previous prime is 79194023758009. The next prime is 79194023758081. The reversal of 79194023758079 is 97085732049197.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79194023758079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79194023758009) 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, 351740489 + ... + 351965565.

It is an arithmetic number, because the mean of its divisors is an integer number (5130718282620).

Almost surely, 2^{79194023758079} is an apocalyptic number.

79194023758079 is a deficient number, since it is larger than the sum of its proper divisors (2897468763841).

79194023758079 is a wasteful number, since it uses less digits than its factorization.

79194023758079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249730.

The product of its (nonzero) digits is 240045120, while the sum is 71.

The spelling of 79194023758079 in words is "seventy-nine trillion, one hundred ninety-four billion, twenty-three million, seven hundred fifty-eight thousand, seventy-nine".