799699279 has 2 divisors, whose sum is σ = 799699280. Its totient is φ = 799699278.

The previous prime is 799699207. The next prime is 799699283. The reversal of 799699279 is 972996997.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 799699279 - 2¹⁷ = 799568207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (799697279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 399849639 + 399849640.

It is an arithmetic number, because the mean of its divisors is an integer number (399849640).

Almost surely, 2^799699279 is an apocalyptic number.

799699279 is a deficient number, since it is larger than the sum of its proper divisors (1).

799699279 is an equidigital number, since it uses as much as digits as its factorization.

799699279 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34720812, while the sum is 67.

The square root of 799699279 is about 28278.9547013322. The cubic root of 799699279 is about 928.2014335418.

The spelling of 799699279 in words is "seven hundred ninety-nine million, six hundred ninety-nine thousand, two hundred seventy-nine".