89227289 has 2 divisors, whose sum is σ = 89227290. Its totient is φ = 89227288.

The previous prime is 89227283. The next prime is 89227301. The reversal of 89227289 is 98272298.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63043600 + 26183689 = 7940^2 + 5117^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89227289 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (89227283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44613644 + 44613645.

It is an arithmetic number, because the mean of its divisors is an integer number (44613645).

Almost surely, 2^89227289 is an apocalyptic number.

It is an amenable number.

89227289 is a deficient number, since it is larger than the sum of its proper divisors (1).

89227289 is an equidigital number, since it uses as much as digits as its factorization.

89227289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 290304, while the sum is 47.

The square root of 89227289 is about 9446.0197437863. The cubic root of 89227289 is about 446.8542566797.

The spelling of 89227289 in words is "eighty-nine million, two hundred twenty-seven thousand, two hundred eighty-nine".