89845331 has 2 divisors, whose sum is σ = 89845332. Its totient is φ = 89845330.

The previous prime is 89845313. The next prime is 89845333. The reversal of 89845331 is 13354898.

Together with previous prime (89845313) 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 89845331 - 2⁶ = 89845267 is a prime.

It is a super-2 number, since 2×89845331² = 16144367004999122, which contains 22 as substring.

Together with 89845333, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (89845333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44922665 + 44922666.

It is an arithmetic number, because the mean of its divisors is an integer number (44922666).

Almost surely, 2^89845331 is an apocalyptic number.

89845331 is a deficient number, since it is larger than the sum of its proper divisors (1).

89845331 is an equidigital number, since it uses as much as digits as its factorization.

89845331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103680, while the sum is 41.

The square root of 89845331 is about 9478.6777031398. The cubic root of 89845331 is about 447.8836110146.

The spelling of 89845331 in words is "eighty-nine million, eight hundred forty-five thousand, three hundred thirty-one".