89787223 has 2 divisors, whose sum is σ = 89787224. Its totient is φ = 89787222.

The previous prime is 89787209. The next prime is 89787227. The reversal of 89787223 is 32278798.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 89787223 - 2¹³ = 89779031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89787227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44893611 + 44893612.

It is an arithmetic number, because the mean of its divisors is an integer number (44893612).

Almost surely, 2^89787223 is an apocalyptic number.

89787223 is a deficient number, since it is larger than the sum of its proper divisors (1).

89787223 is an equidigital number, since it uses as much as digits as its factorization.

89787223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 338688, while the sum is 46.

The square root of 89787223 is about 9475.6120118966. The cubic root of 89787223 is about 447.7870330647.

The spelling of 89787223 in words is "eighty-nine million, seven hundred eighty-seven thousand, two hundred twenty-three".