79405339 has 4 divisors (see below), whose sum is σ = 85513456. Its totient is φ = 73297224.

The previous prime is 79405331. The next prime is 79405343. The reversal of 79405339 is 93350497.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 79405339 - 2³ = 79405331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79405331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3054039 + ... + 3054064.

It is an arithmetic number, because the mean of its divisors is an integer number (21378364).

Almost surely, 2^79405339 is an apocalyptic number.

79405339 is a deficient number, since it is larger than the sum of its proper divisors (6108117).

79405339 is a wasteful number, since it uses less digits than its factorization.

79405339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6108116.

The product of its (nonzero) digits is 102060, while the sum is 40.

The square root of 79405339 is about 8910.9673436726. The cubic root of 79405339 is about 429.8166497924.

The spelling of 79405339 in words is "seventy-nine million, four hundred five thousand, three hundred thirty-nine".