9986001768 has 48 divisors (see below), whose sum is σ = 27050177700. Its totient is φ = 3328081920.

The previous prime is 9986001737. The next prime is 9986001769. The reversal of 9986001768 is 8671006899.

It can be written as a sum of positive squares in 2 ways, for example, as 7593031044 + 2392970724 = 87138^2 + 48918^2 .

It is not an unprimeable number, because it can be changed into a prime (9986001769) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 642408 + ... + 657768.

Almost surely, 2^9986001768 is an apocalyptic number.

It is an amenable number.

9986001768 is an abundant number, since it is smaller than the sum of its proper divisors (17064175932).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9986001768 is a wasteful number, since it uses less digits than its factorization.

9986001768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24402 (or 24395 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 54.

The square root of 9986001768 is about 99929.9843290291. The cubic root of 9986001768 is about 2153.4289447099.

The spelling of 9986001768 in words is "nine billion, nine hundred eighty-six million, one thousand, seven hundred sixty-eight".