89611 has 2 divisors, whose sum is σ = 89612. Its totient is φ = 89610.

The previous prime is 89603. The next prime is 89627. The reversal of 89611 is 11698.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 89611 - 2³ = 89603 is a prime.

It is not a weakly prime, because it can be changed into another prime (89671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44805 + 44806.

It is an arithmetic number, because the mean of its divisors is an integer number (44806).

2⁸⁹⁶¹¹ is an apocalyptic number.

89611 is a deficient number, since it is larger than the sum of its proper divisors (1).

89611 is an equidigital number, since it uses as much as digits as its factorization.

89611 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 432, while the sum is 25.

The square root of 89611 is about 299.3509645884. The cubic root of 89611 is about 44.7493887956.

The spelling of 89611 in words is "eighty-nine thousand, six hundred eleven".