89357239 has 2 divisors, whose sum is σ = 89357240. Its totient is φ = 89357238.

The previous prime is 89357167. The next prime is 89357251. The reversal of 89357239 is 93275398.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 89357239 - 2⁷ = 89357111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89357269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44678619 + 44678620.

It is an arithmetic number, because the mean of its divisors is an integer number (44678620).

Almost surely, 2^89357239 is an apocalyptic number.

89357239 is a deficient number, since it is larger than the sum of its proper divisors (1).

89357239 is an equidigital number, since it uses as much as digits as its factorization.

89357239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 408240, while the sum is 46.

The square root of 89357239 is about 9452.8957997007. The cubic root of 89357239 is about 447.0710832575.

The spelling of 89357239 in words is "eighty-nine million, three hundred fifty-seven thousand, two hundred thirty-nine".