79874339 has 8 divisors (see below), whose sum is σ = 81663120. Its totient is φ = 78096096.

The previous prime is 79874329. The next prime is 79874341. The reversal of 79874339 is 93347897.

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 79874339 - 2²⁰ = 78825763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79874329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13817 + ... + 18725.

It is an arithmetic number, because the mean of its divisors is an integer number (10207890).

Almost surely, 2^79874339 is an apocalyptic number.

79874339 is a deficient number, since it is larger than the sum of its proper divisors (1788781).

79874339 is a wasteful number, since it uses less digits than its factorization.

79874339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5269.

The product of its digits is 1143072, while the sum is 50.

The square root of 79874339 is about 8937.2444858580. The cubic root of 79874339 is about 430.6612127635.

The spelling of 79874339 in words is "seventy-nine million, eight hundred seventy-four thousand, three hundred thirty-nine".