9977613117653 has 2 divisors, whose sum is σ = 9977613117654. Its totient is φ = 9977613117652.

The previous prime is 9977613117649. The next prime is 9977613117733. The reversal of 9977613117653 is 3567113167799.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9115580716804 + 862032400849 = 3019202^2 + 928457^2 .

It is a cyclic number.

It is not a de Polignac number, because 9977613117653 - 2² = 9977613117649 is a prime.

It is a super-2 number, since 2×9977613117653² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 9977613117653.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9977613117613) 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, 4988806558826 + 4988806558827.

It is an arithmetic number, because the mean of its divisors is an integer number (4988806558827).

Almost surely, 2^{9977613117653} is an apocalyptic number.

It is an amenable number.

9977613117653 is a deficient number, since it is larger than the sum of its proper divisors (1).

9977613117653 is an equidigital number, since it uses as much as digits as its factorization.

9977613117653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45008460, while the sum is 65.

The spelling of 9977613117653 in words is "nine trillion, nine hundred seventy-seven billion, six hundred thirteen million, one hundred seventeen thousand, six hundred fifty-three".