89811159 has 16 divisors (see below), whose sum is σ = 126177792. Its totient is φ = 56710368.

The previous prime is 89811121. The next prime is 89811167. The reversal of 89811159 is 95111898.

It is not a de Polignac number, because 89811159 - 2⁹ = 89810647 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 89811159.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89811179) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 789 + ... + 13425.

It is an arithmetic number, because the mean of its divisors is an integer number (7886112).

Almost surely, 2^89811159 is an apocalyptic number.

89811159 is a deficient number, since it is larger than the sum of its proper divisors (36366633).

89811159 is a wasteful number, since it uses less digits than its factorization.

89811159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12766.

The product of its digits is 25920, while the sum is 42.

The square root of 89811159 is about 9476.8749596056. The cubic root of 89811159 is about 447.8268207530.

The spelling of 89811159 in words is "eighty-nine million, eight hundred eleven thousand, one hundred fifty-nine".