89589911 has 2 divisors, whose sum is σ = 89589912. Its totient is φ = 89589910.

The previous prime is 89589893. The next prime is 89589919. The reversal of 89589911 is 11998598.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89589911 is a prime.

It is a super-5 number, since 5×89589911⁵ (a number of 41 digits) contains 55555 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 89589911.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89589919) 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, 44794955 + 44794956.

It is an arithmetic number, because the mean of its divisors is an integer number (44794956).

Almost surely, 2^89589911 is an apocalyptic number.

89589911 is a deficient number, since it is larger than the sum of its proper divisors (1).

89589911 is an equidigital number, since it uses as much as digits as its factorization.

89589911 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 233280, while the sum is 50.

The square root of 89589911 is about 9465.1947153770. The cubic root of 89589911 is about 447.4587808856.

The spelling of 89589911 in words is "eighty-nine million, five hundred eighty-nine thousand, nine hundred eleven".