799637017 has 2 divisors, whose sum is σ = 799637018. Its totient is φ = 799637016.

The previous prime is 799636997. The next prime is 799637077. The reversal of 799637017 is 710736997.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 526197721 + 273439296 = 22939^2 + 16536^2 .

It is an emirp because it is prime and its reverse (710736997) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 799637017 - 2⁷ = 799636889 is a prime.

It is not a weakly prime, because it can be changed into another prime (799637077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 399818508 + 399818509.

It is an arithmetic number, because the mean of its divisors is an integer number (399818509).

Almost surely, 2^799637017 is an apocalyptic number.

It is an amenable number.

799637017 is a deficient number, since it is larger than the sum of its proper divisors (1).

799637017 is an equidigital number, since it uses as much as digits as its factorization.

799637017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 500094, while the sum is 49.

The square root of 799637017 is about 28277.8538259183. The cubic root of 799637017 is about 928.1773439958.

The spelling of 799637017 in words is "seven hundred ninety-nine million, six hundred thirty-seven thousand, seventeen".