89489597 has 2 divisors, whose sum is σ = 89489598. Its totient is φ = 89489596.

The previous prime is 89489509. The next prime is 89489627. The reversal of 89489597 is 79598498.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64947481 + 24542116 = 8059^2 + 4954^2 .

It is a cyclic number.

It is not a de Polignac number, because 89489597 - 2²⁶ = 22380733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89486597) 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, 44744798 + 44744799.

It is an arithmetic number, because the mean of its divisors is an integer number (44744799).

Almost surely, 2^89489597 is an apocalyptic number.

It is an amenable number.

89489597 is a deficient number, since it is larger than the sum of its proper divisors (1).

89489597 is an equidigital number, since it uses as much as digits as its factorization.

89489597 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6531840, while the sum is 59.

The square root of 89489597 is about 9459.8941326000. The cubic root of 89489597 is about 447.2917116877.

The spelling of 89489597 in words is "eighty-nine million, four hundred eighty-nine thousand, five hundred ninety-seven".