799636997 has 2 divisors, whose sum is σ = 799636998. Its totient is φ = 799636996.

The previous prime is 799636993. The next prime is 799637017.

799636997 is nontrivially palindromic in base 10.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 557243236 + 242393761 = 23606^2 + 15569^2 .

It is a palprime.

799636997 is a truncatable prime.

It is a cyclic number.

It is not a de Polignac number, because 799636997 - 2² = 799636993 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (799636993) 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, 399818498 + 399818499.

It is an arithmetic number, because the mean of its divisors is an integer number (399818499).

Almost surely, 2^799636997 is an apocalyptic number.

It is an amenable number.

799636997 is a deficient number, since it is larger than the sum of its proper divisors (1).

799636997 is an equidigital number, since it uses as much as digits as its factorization.

799636997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34720812, while the sum is 65.

The square root of 799636997 is about 28277.8534722846. The cubic root of 799636997 is about 928.1773362575.

The spelling of 799636997 in words is "seven hundred ninety-nine million, six hundred thirty-six thousand, nine hundred ninety-seven".