89589919 has 2 divisors, whose sum is σ = 89589920. Its totient is φ = 89589918.

The previous prime is 89589911. The next prime is 89589947. The reversal of 89589919 is 91998598.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 89589919 - 2³ = 89589911 is a prime.

It is a super-2 number, since 2×89589919² = 16052707172853122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89589911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44794959 + 44794960.

It is an arithmetic number, because the mean of its divisors is an integer number (44794960).

Almost surely, 2^89589919 is an apocalyptic number.

89589919 is a deficient number, since it is larger than the sum of its proper divisors (1).

89589919 is an equidigital number, since it uses as much as digits as its factorization.

89589919 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2099520, while the sum is 58.

The square root of 89589919 is about 9465.1951379779. The cubic root of 89589919 is about 447.4587942043.

The spelling of 89589919 in words is "eighty-nine million, five hundred eighty-nine thousand, nine hundred nineteen".