89090207 has 4 divisors (see below), whose sum is σ = 89407536. Its totient is φ = 88772880.

The previous prime is 89090203. The next prime is 89090213. The reversal of 89090207 is 70209098.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 89090207 - 2² = 89090203 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89090203) 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, 158243 + ... + 158804.

It is an arithmetic number, because the mean of its divisors is an integer number (22351884).

Almost surely, 2^89090207 is an apocalyptic number.

89090207 is a deficient number, since it is larger than the sum of its proper divisors (317329).

89090207 is a wasteful number, since it uses less digits than its factorization.

89090207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317328.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 89090207 is about 9438.7608826583. The cubic root of 89090207 is about 446.6253017930.

The spelling of 89090207 in words is "eighty-nine million, ninety thousand, two hundred seven".