799879589 has 2 divisors, whose sum is σ = 799879590. Its totient is φ = 799879588.

The previous prime is 799879573. The next prime is 799879603. The reversal of 799879589 is 985978997.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 594530689 + 205348900 = 24383^2 + 14330^2 .

It is a cyclic number.

It is not a de Polignac number, because 799879589 - 2⁴ = 799879573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (799879489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 399939794 + 399939795.

It is an arithmetic number, because the mean of its divisors is an integer number (399939795).

Almost surely, 2^799879589 is an apocalyptic number.

It is an amenable number.

799879589 is a deficient number, since it is larger than the sum of its proper divisors (1).

799879589 is an equidigital number, since it uses as much as digits as its factorization.

799879589 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 102876480, while the sum is 71.

The square root of 799879589 is about 28282.1425814948. The cubic root of 799879589 is about 928.2711895229.

The spelling of 799879589 in words is "seven hundred ninety-nine million, eight hundred seventy-nine thousand, five hundred eighty-nine".