89207197 has 2 divisors, whose sum is σ = 89207198. Its totient is φ = 89207196.

The previous prime is 89207189. The next prime is 89207207. The reversal of 89207197 is 79170298.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74545956 + 14661241 = 8634^2 + 3829^2 .

It is a cyclic number.

It is not a de Polignac number, because 89207197 - 2³ = 89207189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89207137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44603598 + 44603599.

It is an arithmetic number, because the mean of its divisors is an integer number (44603599).

Almost surely, 2^89207197 is an apocalyptic number.

It is an amenable number.

89207197 is a deficient number, since it is larger than the sum of its proper divisors (1).

89207197 is an equidigital number, since it uses as much as digits as its factorization.

89207197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63504, while the sum is 43.

The square root of 89207197 is about 9444.9561671826. The cubic root of 89207197 is about 446.8207136168.

The spelling of 89207197 in words is "eighty-nine million, two hundred seven thousand, one hundred ninety-seven".