9085812900 has 72 divisors (see below), whose sum is σ = 26342688960. Its totient is φ = 2417869440.

The previous prime is 9085812899. The next prime is 9085812917. The reversal of 9085812900 is 92185809.

It is a happy 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 23 ways as a sum of consecutive naturals, for example, 115006 + ... + 177194.

It is an arithmetic number, because the mean of its divisors is an integer number (365870680).

Almost surely, 2^9085812900 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 9085812900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13171344480).

9085812900 is an abundant number, since it is smaller than the sum of its proper divisors (17256876060).

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

9085812900 is a wasteful number, since it uses less digits than its factorization.

9085812900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62693 (or 62686 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 42.

The square root of 9085812900 is about 95319.5305275892. The cubic root of 9085812900 is about 2086.6739600480.

The spelling of 9085812900 in words is "nine billion, eighty-five million, eight hundred twelve thousand, nine hundred".