89685223 has 2 divisors, whose sum is σ = 89685224. Its totient is φ = 89685222.

The previous prime is 89685221. The next prime is 89685227. The reversal of 89685223 is 32258698.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 89685223 - 2¹ = 89685221 is a prime.

Together with 89685221, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 89685223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89685221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44842611 + 44842612.

It is an arithmetic number, because the mean of its divisors is an integer number (44842612).

Almost surely, 2^89685223 is an apocalyptic number.

89685223 is a deficient number, since it is larger than the sum of its proper divisors (1).

89685223 is an equidigital number, since it uses as much as digits as its factorization.

89685223 is an evil number, because the sum of its binary digits is even.

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

The square root of 89685223 is about 9470.2282443455. The cubic root of 89685223 is about 447.6174039408.

The spelling of 89685223 in words is "eighty-nine million, six hundred eighty-five thousand, two hundred twenty-three".