9986917376 has 88 divisors (see below), whose sum is σ = 21196766880. Its totient is φ = 4686774272.

The previous prime is 9986917363. The next prime is 9986917379. The reversal of 9986917376 is 6737196899.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (9986917379) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9800195 + ... + 9801213.

Almost surely, 2^9986917376 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9986917376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10598383440).

9986917376 is an abundant number, since it is smaller than the sum of its proper divisors (11209849504).

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

9986917376 is a wasteful number, since it uses less digits than its factorization.

9986917376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1619 (or 1601 counting only the distinct ones).

The product of its digits is 30862944, while the sum is 65.

The square root of 9986917376 is about 99934.5654716125. The cubic root of 9986917376 is about 2153.4947580540.

The spelling of 9986917376 in words is "nine billion, nine hundred eighty-six million, nine hundred seventeen thousand, three hundred seventy-six".