9996757817 has 2 divisors, whose sum is σ = 9996757818. Its totient is φ = 9996757816.

The previous prime is 9996757759. The next prime is 9996757853. The reversal of 9996757817 is 7187576999.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9914384041 + 82373776 = 99571^2 + 9076^2 .

It is a cyclic number.

It is not a de Polignac number, because 9996757817 - 2⁶ = 9996757753 is a prime.

It is not a weakly prime, because it can be changed into another prime (9996757867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4998378908 + 4998378909.

It is an arithmetic number, because the mean of its divisors is an integer number (4998378909).

Almost surely, 2^9996757817 is an apocalyptic number.

It is an amenable number.

9996757817 is a deficient number, since it is larger than the sum of its proper divisors (1).

9996757817 is an equidigital number, since it uses as much as digits as its factorization.

9996757817 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60011280, while the sum is 68.

The square root of 9996757817 is about 99983.7877708181. The cubic root of 9996757817 is about 2154.2018291466.

The spelling of 9996757817 in words is "nine billion, nine hundred ninety-six million, seven hundred fifty-seven thousand, eight hundred seventeen".