89865223 has 6 divisors (see below), whose sum is σ = 102731784. Its totient is φ = 77005836.

The previous prime is 89865221. The next prime is 89865257. The reversal of 89865223 is 32256898.

It is not a de Polignac number, because 89865223 - 2¹ = 89865221 is a prime.

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 89865223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89865221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23290 + ... + 26872.

It is an arithmetic number, because the mean of its divisors is an integer number (17121964).

Almost surely, 2^89865223 is an apocalyptic number.

89865223 is a deficient number, since it is larger than the sum of its proper divisors (12866561).

89865223 is an frugal number, since it uses more digits than its factorization.

89865223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7173 (or 3590 counting only the distinct ones).

The product of its digits is 207360, while the sum is 43.

The square root of 89865223 is about 9479.7269475444. The cubic root of 89865223 is about 447.9166627909.

The spelling of 89865223 in words is "eighty-nine million, eight hundred sixty-five thousand, two hundred twenty-three".