9987163 has 8 divisors (see below), whose sum is σ = 10134720. Its totient is φ = 9840960.

The previous prime is 9987157. The next prime is 9987181. The reversal of 9987163 is 3617899.

9987163 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9987163 - 2⁹ = 9986651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9987113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36718 + ... + 36988.

It is an arithmetic number, because the mean of its divisors is an integer number (1266840).

Almost surely, 2^9987163 is an apocalyptic number.

9987163 is a deficient number, since it is larger than the sum of its proper divisors (147557).

9987163 is a wasteful number, since it uses less digits than its factorization.

9987163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677.

The product of its digits is 81648, while the sum is 43.

The square root of 9987163 is about 3160.2473004498. The cubic root of 9987163 is about 215.3512412673.

The spelling of 9987163 in words is "nine million, nine hundred eighty-seven thousand, one hundred sixty-three".