9977613117695 has 32 divisors (see below), whose sum is σ = 12288459321600. Its totient is φ = 7773017624064.

The previous prime is 9977613117653. The next prime is 9977613117733. The reversal of 9977613117695 is 5967113167799.

9977613117695 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 3158736²-1.

It is a cyclic number.

It is not a de Polignac number, because 9977613117695 - 2¹⁰ = 9977613116671 is a prime.

It is a super-2 number, since 2×9977613117695² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 135788876 + ... + 135862334.

It is an arithmetic number, because the mean of its divisors is an integer number (384014353800).

Almost surely, 2^{9977613117695} is an apocalyptic number.

9977613117695 is a deficient number, since it is larger than the sum of its proper divisors (2310846203905).

9977613117695 is a wasteful number, since it uses less digits than its factorization.

9977613117695 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75399.

The product of its digits is 135025380, while the sum is 71.

The spelling of 9977613117695 in words is "nine trillion, nine hundred seventy-seven billion, six hundred thirteen million, one hundred seventeen thousand, six hundred ninety-five".