89485289 has 2 divisors, whose sum is σ = 89485290. Its totient is φ = 89485288.

The previous prime is 89485283. The next prime is 89485301. The reversal of 89485289 is 98258498.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76038400 + 13446889 = 8720^2 + 3667^2 .

It is a cyclic number.

It is not a de Polignac number, because 89485289 - 2⁴ = 89485273 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 89485289.

It is not a weakly prime, because it can be changed into another prime (89485283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44742644 + 44742645.

It is an arithmetic number, because the mean of its divisors is an integer number (44742645).

Almost surely, 2^89485289 is an apocalyptic number.

It is an amenable number.

89485289 is a deficient number, since it is larger than the sum of its proper divisors (1).

89485289 is an equidigital number, since it uses as much as digits as its factorization.

89485289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1658880, while the sum is 53.

The square root of 89485289 is about 9459.6664317512. Note that the first 3 decimals coincide. The cubic root of 89485289 is about 447.2845340802.

The spelling of 89485289 in words is "eighty-nine million, four hundred eighty-five thousand, two hundred eighty-nine".