8817089 has 2 divisors, whose sum is σ = 8817090. Its totient is φ = 8817088.

The previous prime is 8817077. The next prime is 8817103. The reversal of 8817089 is 9807188.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6150400 + 2666689 = 2480^2 + 1633^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8817089 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8817049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4408544 + 4408545.

It is an arithmetic number, because the mean of its divisors is an integer number (4408545).

Almost surely, 2^8817089 is an apocalyptic number.

It is an amenable number.

8817089 is a deficient number, since it is larger than the sum of its proper divisors (1).

8817089 is an equidigital number, since it uses as much as digits as its factorization.

8817089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 41.

The square root of 8817089 is about 2969.3583481958. The cubic root of 8817089 is about 206.5895778506.

Subtracting 8817089 from its reverse (9807188), we obtain a palindrome (990099).

The spelling of 8817089 in words is "eight million, eight hundred seventeen thousand, eighty-nine".