79885339 has 2 divisors, whose sum is σ = 79885340. Its totient is φ = 79885338.

The previous prime is 79885313. The next prime is 79885349. The reversal of 79885339 is 93358897.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 79885339 - 2¹¹ = 79883291 is a prime.

It is not a weakly prime, because it can be changed into another prime (79885349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39942669 + 39942670.

It is an arithmetic number, because the mean of its divisors is an integer number (39942670).

Almost surely, 2^79885339 is an apocalyptic number.

79885339 is a deficient number, since it is larger than the sum of its proper divisors (1).

79885339 is an equidigital number, since it uses as much as digits as its factorization.

79885339 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1632960, while the sum is 52.

The square root of 79885339 is about 8937.8598668809. The cubic root of 79885339 is about 430.6809815485.

The spelling of 79885339 in words is "seventy-nine million, eight hundred eighty-five thousand, three hundred thirty-nine".