9976660789875 has 128 divisors (see below), whose sum is σ = 17987601235968. Its totient is φ = 4881571200000.

The previous prime is 9976660789873. The next prime is 9976660789891. The reversal of 9976660789875 is 5789870666799.

9976660789875 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9976660789875 - 2¹ = 9976660789873 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9976660789791 and 9976660789800.

It is not an unprimeable number, because it can be changed into a prime (9976660789873) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1230012070 + ... + 1230020180.

It is an arithmetic number, because the mean of its divisors is an integer number (140528134656).

Almost surely, 2^{9976660789875} is an apocalyptic number.

9976660789875 is a deficient number, since it is larger than the sum of its proper divisors (8010940446093).

9976660789875 is a wasteful number, since it uses less digits than its factorization.

9976660789875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9654 (or 9644 counting only the distinct ones).

The product of its (nonzero) digits is 17283248640, while the sum is 87.

The spelling of 9976660789875 in words is "nine trillion, nine hundred seventy-six billion, six hundred sixty million, seven hundred eighty-nine thousand, eight hundred seventy-five".