89318417 has 2 divisors, whose sum is σ = 89318418. Its totient is φ = 89318416.

The previous prime is 89318393. The next prime is 89318419. The reversal of 89318417 is 71481398.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74580496 + 14737921 = 8636^2 + 3839^2 .

It is a cyclic number.

It is not a de Polignac number, because 89318417 - 2¹² = 89314321 is a prime.

Together with 89318419, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (89318419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44659208 + 44659209.

It is an arithmetic number, because the mean of its divisors is an integer number (44659209).

Almost surely, 2^89318417 is an apocalyptic number.

It is an amenable number.

89318417 is a deficient number, since it is larger than the sum of its proper divisors (1).

89318417 is an equidigital number, since it uses as much as digits as its factorization.

89318417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 41.

The square root of 89318417 is about 9450.8421317891. The cubic root of 89318417 is about 447.0063292883.

The spelling of 89318417 in words is "eighty-nine million, three hundred eighteen thousand, four hundred seventeen".