89666327 has 2 divisors, whose sum is σ = 89666328. Its totient is φ = 89666326.

The previous prime is 89666273. The next prime is 89666329. The reversal of 89666327 is 72366698.

Together with previous prime (89666273) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 89666327 - 2¹⁴ = 89649943 is a prime.

Together with 89666329, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89666329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44833163 + 44833164.

It is an arithmetic number, because the mean of its divisors is an integer number (44833164).

Almost surely, 2^89666327 is an apocalyptic number.

89666327 is a deficient number, since it is larger than the sum of its proper divisors (1).

89666327 is an equidigital number, since it uses as much as digits as its factorization.

89666327 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 653184, while the sum is 47.

The square root of 89666327 is about 9469.2305389614. The cubic root of 89666327 is about 447.5859651959.

The spelling of 89666327 in words is "eighty-nine million, six hundred sixty-six thousand, three hundred twenty-seven".