89386565 has 4 divisors (see below), whose sum is σ = 107263884. Its totient is φ = 71509248.

The previous prime is 89386559. The next prime is 89386589. The reversal of 89386565 is 56568398.

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 40972801 + 48413764 = 6401^2 + 6958^2 .

It is a cyclic number.

It is not a de Polignac number, because 89386565 - 2⁸ = 89386309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8938652 + ... + 8938661.

It is an arithmetic number, because the mean of its divisors is an integer number (26815971).

Almost surely, 2^89386565 is an apocalyptic number.

It is an amenable number.

89386565 is a deficient number, since it is larger than the sum of its proper divisors (17877319).

89386565 is a wasteful number, since it uses less digits than its factorization.

89386565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17877318.

The product of its digits is 1555200, while the sum is 50.

The square root of 89386565 is about 9454.4468373353. The cubic root of 89386565 is about 447.1199857405.

The spelling of 89386565 in words is "eighty-nine million, three hundred eighty-six thousand, five hundred sixty-five".