89858897 has 2 divisors, whose sum is σ = 89858898. Its totient is φ = 89858896.

The previous prime is 89858893. The next prime is 89858911. The reversal of 89858897 is 79885898.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66520336 + 23338561 = 8156^2 + 4831^2 .

It is a cyclic number.

It is not a de Polignac number, because 89858897 - 2² = 89858893 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (89858891) 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, 44929448 + 44929449.

It is an arithmetic number, because the mean of its divisors is an integer number (44929449).

Almost surely, 2^89858897 is an apocalyptic number.

It is an amenable number.

89858897 is a deficient number, since it is larger than the sum of its proper divisors (1).

89858897 is an equidigital number, since it uses as much as digits as its factorization.

89858897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11612160, while the sum is 62.

The square root of 89858897 is about 9479.3932822729. The cubic root of 89858897 is about 447.9061522834.

It can be divided in two parts, 898 and 58897, that added together give a palindrome (59795).

The spelling of 89858897 in words is "eighty-nine million, eight hundred fifty-eight thousand, eight hundred ninety-seven".