79353317 has 2 divisors, whose sum is σ = 79353318. Its totient is φ = 79353316.

The previous prime is 79353311. The next prime is 79353319. The reversal of 79353317 is 71335397.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79316836 + 36481 = 8906^2 + 191^2 .

It is a cyclic number.

It is not a de Polignac number, because 79353317 - 2¹⁰ = 79352293 is a prime.

Together with 79353319, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79353311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39676658 + 39676659.

It is an arithmetic number, because the mean of its divisors is an integer number (39676659).

Almost surely, 2^79353317 is an apocalyptic number.

It is an amenable number.

79353317 is a deficient number, since it is larger than the sum of its proper divisors (1).

79353317 is an equidigital number, since it uses as much as digits as its factorization.

79353317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 59535, while the sum is 38.

The square root of 79353317 is about 8908.0478781830. The cubic root of 79353317 is about 429.7227652299.

The spelling of 79353317 in words is "seventy-nine million, three hundred fifty-three thousand, three hundred seventeen".