799686997 has 2 divisors, whose sum is σ = 799686998. Its totient is φ = 799686996.

The previous prime is 799686929. The next prime is 799687027.

799686997 is nontrivially palindromic in base 10.

799686997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 630712996 + 168974001 = 25114^2 + 12999^2 .

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 799686997 - 2¹⁹ = 799162709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (799686907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 399843498 + 399843499.

It is an arithmetic number, because the mean of its divisors is an integer number (399843499).

Almost surely, 2^799686997 is an apocalyptic number.

It is an amenable number.

799686997 is a deficient number, since it is larger than the sum of its proper divisors (1).

799686997 is an equidigital number, since it uses as much as digits as its factorization.

799686997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 92588832, while the sum is 70.

The square root of 799686997 is about 28278.7375425425. The cubic root of 799686997 is about 928.1966816604.

The spelling of 799686997 in words is "seven hundred ninety-nine million, six hundred eighty-six thousand, nine hundred ninety-seven".