89457589 has 4 divisors (see below), whose sum is σ = 96338956. Its totient is φ = 82576224.

The previous prime is 89457583. The next prime is 89457593. The reversal of 89457589 is 98575498.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18190225 + 71267364 = 4265^2 + 8442^2 .

It is a cyclic number.

It is not a de Polignac number, because 89457589 - 2¹⁹ = 88933301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89457583) 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 in 3 ways as a sum of consecutive naturals, for example, 3440664 + ... + 3440689.

It is an arithmetic number, because the mean of its divisors is an integer number (24084739).

Almost surely, 2^89457589 is an apocalyptic number.

It is an amenable number.

89457589 is a deficient number, since it is larger than the sum of its proper divisors (6881367).

89457589 is a wasteful number, since it uses less digits than its factorization.

89457589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6881366.

The product of its digits is 3628800, while the sum is 55.

The square root of 89457589 is about 9458.2022076080. The cubic root of 89457589 is about 447.2383772934.

The spelling of 89457589 in words is "eighty-nine million, four hundred fifty-seven thousand, five hundred eighty-nine".