89611603 has 2 divisors, whose sum is σ = 89611604. Its totient is φ = 89611602.

The previous prime is 89611597. The next prime is 89611631. The reversal of 89611603 is 30611698.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 89611603 - 2⁹ = 89611091 is a prime.

It is not a weakly prime, because it can be changed into another prime (89611633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44805801 + 44805802.

It is an arithmetic number, because the mean of its divisors is an integer number (44805802).

Almost surely, 2^89611603 is an apocalyptic number.

89611603 is a deficient number, since it is larger than the sum of its proper divisors (1).

89611603 is an equidigital number, since it uses as much as digits as its factorization.

89611603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 89611603 is about 9466.3405284196. The cubic root of 89611603 is about 447.4948916950.

The spelling of 89611603 in words is "eighty-nine million, six hundred eleven thousand, six hundred three".