800968701697 has 2 divisors, whose sum is σ = 800968701698. Its totient is φ = 800968701696.

The previous prime is 800968701691. The next prime is 800968701727. The reversal of 800968701697 is 796107869008.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 800495247616 + 473454081 = 894704^2 + 21759^2 .

It is a cyclic number.

It is not a de Polignac number, because 800968701697 - 2¹⁹ = 800968177409 is a prime.

It is a super-2 number, since 2×800968701697² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (800968701691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 400484350848 + 400484350849.

It is an arithmetic number, because the mean of its divisors is an integer number (400484350849).

Almost surely, 2^800968701697 is an apocalyptic number.

It is an amenable number.

800968701697 is a deficient number, since it is larger than the sum of its proper divisors (1).

800968701697 is an equidigital number, since it uses as much as digits as its factorization.

800968701697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9144576, while the sum is 61.

The spelling of 800968701697 in words is "eight hundred billion, nine hundred sixty-eight million, seven hundred one thousand, six hundred ninety-seven".