9085225809 has 16 divisors (see below), whose sum is σ = 13229487360. Its totient is φ = 5500108560.

The previous prime is 9085225781. The next prime is 9085225823.

9085225809 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 9085225809 - 2⁵ = 9085225777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9085295809) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121839 + ... + 181700.

It is an arithmetic number, because the mean of its divisors is an integer number (826842960).

Almost surely, 2^9085225809 is an apocalyptic number.

It is an amenable number.

9085225809 is a deficient number, since it is larger than the sum of its proper divisors (4144261551).

9085225809 is a wasteful number, since it uses less digits than its factorization.

9085225809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304460.

The product of its (nonzero) digits is 518400, while the sum is 48.

The square root of 9085225809 is about 95316.4508833601. The cubic root of 9085225809 is about 2086.6290147433.

The spelling of 9085225809 in words is "nine billion, eighty-five million, two hundred twenty-five thousand, eight hundred nine".