89030191 has 2 divisors, whose sum is σ = 89030192. Its totient is φ = 89030190.

The previous prime is 89030159. The next prime is 89030209. The reversal of 89030191 is 19103098.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 89030191 - 2⁵ = 89030159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89030131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44515095 + 44515096.

It is an arithmetic number, because the mean of its divisors is an integer number (44515096).

Almost surely, 2^89030191 is an apocalyptic number.

89030191 is a deficient number, since it is larger than the sum of its proper divisors (1).

89030191 is an equidigital number, since it uses as much as digits as its factorization.

89030191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 31.

The square root of 89030191 is about 9435.5811161793. The cubic root of 89030191 is about 446.5249889143.

The spelling of 89030191 in words is "eighty-nine million, thirty thousand, one hundred ninety-one".