79368801139 has 8 divisors (see below), whose sum is σ = 81470798640. Its totient is φ = 77278449696.

The previous prime is 79368801131. The next prime is 79368801157. The reversal of 79368801139 is 93110886397.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 79368801139 - 2³ = 79368801131 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 79368801139.

It is not an unprimeable number, because it can be changed into a prime (79368801131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2897704 + ... + 2924965.

It is an arithmetic number, because the mean of its divisors is an integer number (10183849830).

Almost surely, 2^79368801139 is an apocalyptic number.

79368801139 is a deficient number, since it is larger than the sum of its proper divisors (2101997501).

79368801139 is a wasteful number, since it uses less digits than its factorization.

79368801139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5823029.

The product of its (nonzero) digits is 1959552, while the sum is 55.

The spelling of 79368801139 in words is "seventy-nine billion, three hundred sixty-eight million, eight hundred one thousand, one hundred thirty-nine".