89943611 has 2 divisors, whose sum is σ = 89943612. Its totient is φ = 89943610.

The previous prime is 89943589. The next prime is 89943613. The reversal of 89943611 is 11634998.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89943611 is a prime.

Together with 89943613, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (89943613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44971805 + 44971806.

It is an arithmetic number, because the mean of its divisors is an integer number (44971806).

Almost surely, 2^89943611 is an apocalyptic number.

89943611 is a deficient number, since it is larger than the sum of its proper divisors (1).

89943611 is an equidigital number, since it uses as much as digits as its factorization.

89943611 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46656, while the sum is 41.

The square root of 89943611 is about 9483.8605535931. The cubic root of 89943611 is about 448.0468617939.

The spelling of 89943611 in words is "eighty-nine million, nine hundred forty-three thousand, six hundred eleven".