89822897 has 2 divisors, whose sum is σ = 89822898. Its totient is φ = 89822896.

The previous prime is 89822857. The next prime is 89822933. The reversal of 89822897 is 79822898.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 85396081 + 4426816 = 9241^2 + 2104^2 .

It is a cyclic number.

It is not a de Polignac number, because 89822897 - 2⁸ = 89822641 is a prime.

It is not a weakly prime, because it can be changed into another prime (89822807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44911448 + 44911449.

It is an arithmetic number, because the mean of its divisors is an integer number (44911449).

Almost surely, 2^89822897 is an apocalyptic number.

It is an amenable number.

89822897 is a deficient number, since it is larger than the sum of its proper divisors (1).

89822897 is an equidigital number, since it uses as much as digits as its factorization.

89822897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1161216, while the sum is 53.

The square root of 89822897 is about 9477.4942363475. The cubic root of 89822897 is about 447.8463296956.

Subtracting from 89822897 its reverse (79822898), we obtain a palindrome (9999999).

The spelling of 89822897 in words is "eighty-nine million, eight hundred twenty-two thousand, eight hundred ninety-seven".