9085955239 has 4 divisors (see below), whose sum is σ = 9146127280. Its totient is φ = 9025783200.

The previous prime is 9085955227. The next prime is 9085955273. The reversal of 9085955239 is 9325595809.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9325595809 = 41143 ⋅226663.

It is a cyclic number.

It is not a de Polignac number, because 9085955239 - 2⁷ = 9085955111 is a prime.

It is a super-2 number, since 2×9085955239² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9085955239.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9085955299) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30085794 + ... + 30086095.

It is an arithmetic number, because the mean of its divisors is an integer number (2286531820).

Almost surely, 2^9085955239 is an apocalyptic number.

9085955239 is a deficient number, since it is larger than the sum of its proper divisors (60172041).

9085955239 is a wasteful number, since it uses less digits than its factorization.

9085955239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60172040.

The product of its (nonzero) digits is 4374000, while the sum is 55.

The square root of 9085955239 is about 95320.2771659839. The cubic root of 9085955239 is about 2086.6848566527.

It can be divided in two parts, 9085 and 955239, that added together give a square (964324 = 982²).

The spelling of 9085955239 in words is "nine billion, eighty-five million, nine hundred fifty-five thousand, two hundred thirty-nine".