79805339 has 8 divisors (see below), whose sum is σ = 84449280. Its totient is φ = 75205800.

The previous prime is 79805317. The next prime is 79805357. The reversal of 79805339 is 93350897.

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

It is not a de Polignac number, because 79805339 - 2⁸ = 79805083 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 79805339.

It is not an unprimeable number, because it can be changed into a prime (79805839) 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, 7367 + ... + 14624.

It is an arithmetic number, because the mean of its divisors is an integer number (10556160).

Almost surely, 2^79805339 is an apocalyptic number.

79805339 is a deficient number, since it is larger than the sum of its proper divisors (4643941).

79805339 is a wasteful number, since it uses less digits than its factorization.

79805339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22201.

The product of its (nonzero) digits is 204120, while the sum is 44.

The square root of 79805339 is about 8933.3834016010. The cubic root of 79805339 is about 430.5371671487.

The spelling of 79805339 in words is "seventy-nine million, eight hundred five thousand, three hundred thirty-nine".