79368829 has 2 divisors, whose sum is σ = 79368830. Its totient is φ = 79368828.

The previous prime is 79368787. The next prime is 79368847. The reversal of 79368829 is 92886397.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43692100 + 35676729 = 6610^2 + 5973^2 .

It is a cyclic number.

It is not a de Polignac number, because 79368829 - 2⁷ = 79368701 is a prime.

It is a super-2 number, since 2×79368829² = 12598822033662482, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79368859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39684414 + 39684415.

It is an arithmetic number, because the mean of its divisors is an integer number (39684415).

Almost surely, 2^79368829 is an apocalyptic number.

It is an amenable number.

79368829 is a deficient number, since it is larger than the sum of its proper divisors (1).

79368829 is an equidigital number, since it uses as much as digits as its factorization.

79368829 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1306368, while the sum is 52.

The square root of 79368829 is about 8908.9185089998. The cubic root of 79368829 is about 429.7507641655.

The spelling of 79368829 in words is "seventy-nine million, three hundred sixty-eight thousand, eight hundred twenty-nine".