89207897 has 2 divisors, whose sum is σ = 89207898. Its totient is φ = 89207896.

The previous prime is 89207821. The next prime is 89207903. The reversal of 89207897 is 79870298.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49505296 + 39702601 = 7036^2 + 6301^2 .

It is a cyclic number.

It is not a de Polignac number, because 89207897 - 2¹⁴ = 89191513 is a prime.

It is not a weakly prime, because it can be changed into another prime (89207197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44603948 + 44603949.

It is an arithmetic number, because the mean of its divisors is an integer number (44603949).

Almost surely, 2^89207897 is an apocalyptic number.

It is an amenable number.

89207897 is a deficient number, since it is larger than the sum of its proper divisors (1).

89207897 is an equidigital number, since it uses as much as digits as its factorization.

89207897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 508032, while the sum is 50.

The square root of 89207897 is about 9444.9932239256. The cubic root of 89207897 is about 446.8218823330.

The spelling of 89207897 in words is "eighty-nine million, two hundred seven thousand, eight hundred ninety-seven".