79319 has 2 divisors, whose sum is σ = 79320. Its totient is φ = 79318.

The previous prime is 79309. The next prime is 79333. The reversal of 79319 is 91397.

It is a weak prime.

It is an emirp because it is prime and its reverse (91397) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 79319 - 2⁸ = 79063 is a prime.

It is a super-2 number, since 2×79319² = 12583007522, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 79291 and 79300.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79309) 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 as a sum of consecutive naturals, namely, 39659 + 39660.

It is an arithmetic number, because the mean of its divisors is an integer number (39660).

2⁷⁹³¹⁹ is an apocalyptic number.

79319 is a deficient number, since it is larger than the sum of its proper divisors (1).

79319 is an equidigital number, since it uses as much as digits as its factorization.

79319 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1701, while the sum is 29.

The square root of 79319 is about 281.6362902752. The cubic root of 79319 is about 42.9660810574.

The spelling of 79319 in words is "seventy-nine thousand, three hundred nineteen".