85832239 has 2 divisors, whose sum is σ = 85832240. Its totient is φ = 85832238.

The previous prime is 85832237. The next prime is 85832261. The reversal of 85832239 is 93223858.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85832239 - 2¹ = 85832237 is a prime.

Together with 85832237, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85832231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42916119 + 42916120.

It is an arithmetic number, because the mean of its divisors is an integer number (42916120).

Almost surely, 2^85832239 is an apocalyptic number.

85832239 is a deficient number, since it is larger than the sum of its proper divisors (1).

85832239 is an equidigital number, since it uses as much as digits as its factorization.

85832239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 103680, while the sum is 40.

The square root of 85832239 is about 9264.5690131813. The cubic root of 85832239 is about 441.1132947296.

The spelling of 85832239 in words is "eighty-five million, eight hundred thirty-two thousand, two hundred thirty-nine".