9799967759873 has 2 divisors, whose sum is σ = 9799967759874. Its totient is φ = 9799967759872.

The previous prime is 9799967759749. The next prime is 9799967759927. The reversal of 9799967759873 is 3789577699979.

9799967759873 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., 9799009733569 + 958026304 = 3130337^2 + 30952^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9799967759873 is a prime.

It is a super-2 number, since 2×9799967759873² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (9799967759173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4899983879936 + 4899983879937.

It is an arithmetic number, because the mean of its divisors is an integer number (4899983879937).

Almost surely, 2^{9799967759873} is an apocalyptic number.

It is an amenable number.

9799967759873 is a deficient number, since it is larger than the sum of its proper divisors (1).

9799967759873 is an equidigital number, since it uses as much as digits as its factorization.

9799967759873 is an evil number, because the sum of its binary digits is even.

The product of its digits is 102079187280, while the sum is 95.

The spelling of 9799967759873 in words is "nine trillion, seven hundred ninety-nine billion, nine hundred sixty-seven million, seven hundred fifty-nine thousand, eight hundred seventy-three".