79112039 has 2 divisors, whose sum is σ = 79112040. Its totient is φ = 79112038.

The previous prime is 79112027. The next prime is 79112069. The reversal of 79112039 is 93021197.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 79112039 - 2¹² = 79107943 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 79111996 and 79112014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79112069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39556019 + 39556020.

It is an arithmetic number, because the mean of its divisors is an integer number (39556020).

Almost surely, 2^79112039 is an apocalyptic number.

79112039 is a deficient number, since it is larger than the sum of its proper divisors (1).

79112039 is an equidigital number, since it uses as much as digits as its factorization.

79112039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3402, while the sum is 32.

The square root of 79112039 is about 8894.4948704241. The cubic root of 79112039 is about 429.2867913881.

The spelling of 79112039 in words is "seventy-nine million, one hundred twelve thousand, thirty-nine".