79364393 has 2 divisors, whose sum is σ = 79364394. Its totient is φ = 79364392.

The previous prime is 79364353. The next prime is 79364407. The reversal of 79364393 is 39346397.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51093904 + 28270489 = 7148^2 + 5317^2 .

It is a cyclic number.

It is not a de Polignac number, because 79364393 - 2¹⁰ = 79363369 is a prime.

It is not a weakly prime, because it can be changed into another prime (79364353) 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, 39682196 + 39682197.

It is an arithmetic number, because the mean of its divisors is an integer number (39682197).

Almost surely, 2^79364393 is an apocalyptic number.

It is an amenable number.

79364393 is a deficient number, since it is larger than the sum of its proper divisors (1).

79364393 is an equidigital number, since it uses as much as digits as its factorization.

79364393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 367416, while the sum is 44.

The square root of 79364393 is about 8908.6695415197. The cubic root of 79364393 is about 429.7427576222.

The spelling of 79364393 in words is "seventy-nine million, three hundred sixty-four thousand, three hundred ninety-three".