89959 has 2 divisors, whose sum is σ = 89960. Its totient is φ = 89958.

The previous prime is 89939. The next prime is 89963. The reversal of 89959 is 95998.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 89959 - 2¹¹ = 87911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44979 + 44980.

It is an arithmetic number, because the mean of its divisors is an integer number (44980).

2⁸⁹⁹⁵⁹ is an apocalyptic number.

89959 is a deficient number, since it is larger than the sum of its proper divisors (1).

89959 is an equidigital number, since it uses as much as digits as its factorization.

89959 is an evil number, because the sum of its binary digits is even.

The product of its digits is 29160, while the sum is 40.

The square root of 89959 is about 299.9316588825. The cubic root of 89959 is about 44.8072413358.

The spelling of 89959 in words is "eighty-nine thousand, nine hundred fifty-nine".