89460089 has 2 divisors, whose sum is σ = 89460090. Its totient is φ = 89460088.

The previous prime is 89460067. The next prime is 89460121. The reversal of 89460089 is 98006498.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77440000 + 12020089 = 8800^2 + 3467^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89460089 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (89460689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44730044 + 44730045.

It is an arithmetic number, because the mean of its divisors is an integer number (44730045).

Almost surely, 2^89460089 is an apocalyptic number.

It is an amenable number.

89460089 is a deficient number, since it is larger than the sum of its proper divisors (1).

89460089 is an equidigital number, since it uses as much as digits as its factorization.

89460089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 124416, while the sum is 44.

The square root of 89460089 is about 9458.3343671071. The cubic root of 89460089 is about 447.2425434595.

The spelling of 89460089 in words is "eighty-nine million, four hundred sixty thousand, eighty-nine".