8985639158 has 16 divisors (see below), whose sum is σ = 13729637376. Its totient is φ = 4409661480.

The previous prime is 8985639101. The next prime is 8985639167. The reversal of 8985639158 is 8519365898.

It is a super-3 number, since 3×8985639158³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 8985639158.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110216 + ... + 173547.

It is an arithmetic number, because the mean of its divisors is an integer number (858102336).

Almost surely, 2^8985639158 is an apocalyptic number.

8985639158 is a deficient number, since it is larger than the sum of its proper divisors (4743998218).

8985639158 is a wasteful number, since it uses less digits than its factorization.

8985639158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284059.

The product of its digits is 18662400, while the sum is 62.

The square root of 8985639158 is about 94792.6113048902. The cubic root of 8985639158 is about 2078.9768727738.

The spelling of 8985639158 in words is "eight billion, nine hundred eighty-five million, six hundred thirty-nine thousand, one hundred fifty-eight".