9788882192661 has 16 divisors (see below), whose sum is σ = 15333633645120. Its totient is φ = 5476297729920.

The previous prime is 9788882192653. The next prime is 9788882192681. The reversal of 9788882192661 is 1662912888879.

It is not a de Polignac number, because 9788882192661 - 2³ = 9788882192653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9788882192681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11408953176 + ... + 11408954033.

It is an arithmetic number, because the mean of its divisors is an integer number (958352102820).

Almost surely, 2^{9788882192661} is an apocalyptic number.

It is an amenable number.

9788882192661 is a deficient number, since it is larger than the sum of its proper divisors (5544751452459).

9788882192661 is a wasteful number, since it uses less digits than its factorization.

9788882192661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22817907236.

The product of its digits is 334430208, while the sum is 75.

The spelling of 9788882192661 in words is "nine trillion, seven hundred eighty-eight billion, eight hundred eighty-two million, one hundred ninety-two thousand, six hundred sixty-one".