9986974863 has 16 divisors (see below), whose sum is σ = 13461966336. Its totient is φ = 6585144480.

The previous prime is 9986974859. The next prime is 9986974891. The reversal of 9986974863 is 3684796899.

It is not a de Polignac number, because 9986974863 - 2² = 9986974859 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9986974813) 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, 234006 + ... + 273372.

It is an arithmetic number, because the mean of its divisors is an integer number (841372896).

Almost surely, 2^9986974863 is an apocalyptic number.

9986974863 is a deficient number, since it is larger than the sum of its proper divisors (3474991473).

9986974863 is a wasteful number, since it uses less digits than its factorization.

9986974863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40294.

The product of its digits is 141087744, while the sum is 69.

The square root of 9986974863 is about 99934.8530944035. The cubic root of 9986974863 is about 2153.4988900503.

The spelling of 9986974863 in words is "nine billion, nine hundred eighty-six million, nine hundred seventy-four thousand, eight hundred sixty-three".