9988648810576 has 20 divisors (see below), whose sum is σ = 19544621005044. Its totient is φ = 4944875648000.

The previous prime is 9988648810499. The next prime is 9988648810633. The reversal of 9988648810576 is 6750188468899.

It can be written as a sum of positive squares in 2 ways, for example, as 9222008474176 + 766640336400 = 3036776^2 + 875580^2 .

It is a super-2 number, since 2×9988648810576² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 9988648810496 and 9988648810505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3090545665 + ... + 3090548896.

Almost surely, 2^{9988648810576} is an apocalyptic number.

It is an amenable number.

9988648810576 is a deficient number, since it is larger than the sum of its proper divisors (9555972194468).

9988648810576 is a wasteful number, since it uses less digits than its factorization.

9988648810576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6181094670 (or 6181094664 counting only the distinct ones).

The product of its (nonzero) digits is 1672151040, while the sum is 79.

The spelling of 9988648810576 in words is "nine trillion, nine hundred eighty-eight billion, six hundred forty-eight million, eight hundred ten thousand, five hundred seventy-six".