79094839 has 2 divisors, whose sum is σ = 79094840. Its totient is φ = 79094838.

The previous prime is 79094837. The next prime is 79094881. The reversal of 79094839 is 93849097.

It is a weak prime.

It is an emirp because it is prime and its reverse (93849097) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 79094839 - 2¹ = 79094837 is a prime.

Together with 79094837, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 79094792 and 79094801.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79094831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39547419 + 39547420.

It is an arithmetic number, because the mean of its divisors is an integer number (39547420).

Almost surely, 2^79094839 is an apocalyptic number.

79094839 is a deficient number, since it is larger than the sum of its proper divisors (1).

79094839 is an equidigital number, since it uses as much as digits as its factorization.

79094839 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 489888, while the sum is 49.

The square root of 79094839 is about 8893.5279276562. The cubic root of 79094839 is about 429.2556782643.

The spelling of 79094839 in words is "seventy-nine million, ninety-four thousand, eight hundred thirty-nine".