89733173 has 2 divisors, whose sum is σ = 89733174. Its totient is φ = 89733172.

The previous prime is 89733151. The next prime is 89733179. The reversal of 89733173 is 37133798.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87179569 + 2553604 = 9337^2 + 1598^2 .

It is a cyclic number.

It is not a de Polignac number, because 89733173 - 2¹⁴ = 89716789 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 89733173.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89733179) 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 as a sum of consecutive naturals, namely, 44866586 + 44866587.

It is an arithmetic number, because the mean of its divisors is an integer number (44866587).

Almost surely, 2^89733173 is an apocalyptic number.

It is an amenable number.

89733173 is a deficient number, since it is larger than the sum of its proper divisors (1).

89733173 is an equidigital number, since it uses as much as digits as its factorization.

89733173 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 95256, while the sum is 41.

The square root of 89733173 is about 9472.7595240247. The cubic root of 89733173 is about 447.6971622698.

The spelling of 89733173 in words is "eighty-nine million, seven hundred thirty-three thousand, one hundred seventy-three".