8981085000 has 160 divisors (see below), whose sum is σ = 28334180160. Its totient is φ = 2371296000.

The previous prime is 8981084947. The next prime is 8981085019. The reversal of 8981085000 is 5801898.

It is a self number, because there is not a number n which added to its sum of digits gives 8981085000.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1542094 + ... + 1547906.

It is an arithmetic number, because the mean of its divisors is an integer number (177088626).

Almost surely, 2^8981085000 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 8981085000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14167090080).

8981085000 is an abundant number, since it is smaller than the sum of its proper divisors (19353095160).

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

8981085000 is a wasteful number, since it uses less digits than its factorization.

8981085000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5945 (or 5926 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 39.

The square root of 8981085000 is about 94768.5865674908. The cubic root of 8981085000 is about 2078.6255867205.

Adding to 8981085000 its reverse (5801898), we get a palindrome (8986886898).

The spelling of 8981085000 in words is "eight billion, nine hundred eighty-one million, eighty-five thousand".