79338839039 has 16 divisors (see below), whose sum is σ = 82318819968. Its totient is φ = 76404150432.

The previous prime is 79338839009. The next prime is 79338839053. The reversal of 79338839039 is 93093883397.

It is a cyclic number.

It is not a de Polignac number, because 79338839039 - 2¹² = 79338834943 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 (79338839009) 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, 4690892 + ... + 4707774.

It is an arithmetic number, because the mean of its divisors is an integer number (5144926248).

Almost surely, 2^79338839039 is an apocalyptic number.

79338839039 is a deficient number, since it is larger than the sum of its proper divisors (2979980929).

79338839039 is a wasteful number, since it uses less digits than its factorization.

79338839039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18214.

The product of its (nonzero) digits is 26453952, while the sum is 62.

The spelling of 79338839039 in words is "seventy-nine billion, three hundred thirty-eight million, eight hundred thirty-nine thousand, thirty-nine".