89082391 has 2 divisors, whose sum is σ = 89082392. Its totient is φ = 89082390.

The previous prime is 89082377. The next prime is 89082401. The reversal of 89082391 is 19328098.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 89082391 - 2⁵ = 89082359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89082341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44541195 + 44541196.

It is an arithmetic number, because the mean of its divisors is an integer number (44541196).

Almost surely, 2^89082391 is an apocalyptic number.

89082391 is a deficient number, since it is larger than the sum of its proper divisors (1).

89082391 is an equidigital number, since it uses as much as digits as its factorization.

89082391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 40.

The square root of 89082391 is about 9438.3468361785. The cubic root of 89082391 is about 446.6122404044.

The spelling of 89082391 in words is "eighty-nine million, eighty-two thousand, three hundred ninety-one".