8986323840 has 256 divisors, whose sum is σ = 31433935680. Its totient is φ = 2169962496.

The previous prime is 8986323821. The next prime is 8986323869. The reversal of 8986323840 is 483236898.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1319484 + ... + 1326276.

Almost surely, 2^8986323840 is an apocalyptic number.

8986323840 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8986323840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15716967840).

8986323840 is an abundant number, since it is smaller than the sum of its proper divisors (22447611840).

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

8986323840 is a wasteful number, since it uses less digits than its factorization.

8986323840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6881 (or 6869 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 51.

The square root of 8986323840 is about 94796.2227095574. Note that the first 3 decimals coincide. The cubic root of 8986323840 is about 2079.0296756171.

The spelling of 8986323840 in words is "eight billion, nine hundred eighty-six million, three hundred twenty-three thousand, eight hundred forty".