89090085 has 48 divisors (see below), whose sum is σ = 169019136. Its totient is φ = 39940992.

The previous prime is 89090083. The next prime is 89090093. The reversal of 89090085 is 58009098.

It is not a de Polignac number, because 89090085 - 2¹ = 89090083 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89090083) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 37812 + ... + 40098.

It is an arithmetic number, because the mean of its divisors is an integer number (3521232).

Almost surely, 2^89090085 is an apocalyptic number.

It is an amenable number.

89090085 is a deficient number, since it is larger than the sum of its proper divisors (79929051).

89090085 is a wasteful number, since it uses less digits than its factorization.

89090085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2362 (or 2355 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 39.

The square root of 89090085 is about 9438.7544199433. The cubic root of 89090085 is about 446.6250979236.

The spelling of 89090085 in words is "eighty-nine million, ninety thousand, eighty-five".