89669117 has 2 divisors, whose sum is σ = 89669118. Its totient is φ = 89669116.

The previous prime is 89669089. The next prime is 89669123. The reversal of 89669117 is 71196698.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70123876 + 19545241 = 8374^2 + 4421^2 .

It is a cyclic number.

It is not a de Polignac number, because 89669117 - 2⁶ = 89669053 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89669017) 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, 44834558 + 44834559.

It is an arithmetic number, because the mean of its divisors is an integer number (44834559).

Almost surely, 2^89669117 is an apocalyptic number.

It is an amenable number.

89669117 is a deficient number, since it is larger than the sum of its proper divisors (1).

89669117 is an equidigital number, since it uses as much as digits as its factorization.

89669117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 163296, while the sum is 47.

The square root of 89669117 is about 9469.3778570717. The cubic root of 89669117 is about 447.5906074138.

The spelling of 89669117 in words is "eighty-nine million, six hundred sixty-nine thousand, one hundred seventeen".