79676039 has 4 divisors (see below), whose sum is σ = 79713024. Its totient is φ = 79639056.

The previous prime is 79676029. The next prime is 79676081. The reversal of 79676039 is 93067697.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79676039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 79675984 and 79676002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79676029) 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, 15047 + ... + 19640.

It is an arithmetic number, because the mean of its divisors is an integer number (19928256).

Almost surely, 2^79676039 is an apocalyptic number.

79676039 is a deficient number, since it is larger than the sum of its proper divisors (36985).

79676039 is a wasteful number, since it uses less digits than its factorization.

79676039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36984.

The product of its (nonzero) digits is 428652, while the sum is 47.

The square root of 79676039 is about 8926.1435681934. The cubic root of 79676039 is about 430.3045237857.

The spelling of 79676039 in words is "seventy-nine million, six hundred seventy-six thousand, thirty-nine".