9689761688 has 16 divisors (see below), whose sum is σ = 18169515000. Its totient is φ = 4844557696.

The previous prime is 9689761661. The next prime is 9689761751. The reversal of 9689761688 is 8861679869.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128663 + ... + 189561.

Almost surely, 2^9689761688 is an apocalyptic number.

It is an amenable number.

9689761688 is a deficient number, since it is larger than the sum of its proper divisors (8479753312).

9689761688 is a wasteful number, since it uses less digits than its factorization.

9689761688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80794 (or 80790 counting only the distinct ones).

The product of its digits is 62705664, while the sum is 68.

The square root of 9689761688 is about 98436.5871411641. The cubic root of 9689761688 is about 2131.9206293119.

The spelling of 9689761688 in words is "nine billion, six hundred eighty-nine million, seven hundred sixty-one thousand, six hundred eighty-eight".