85946843 has 2 divisors, whose sum is σ = 85946844. Its totient is φ = 85946842.

The previous prime is 85946821. The next prime is 85946909. The reversal of 85946843 is 34864958.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85946843 - 2⁸ = 85946587 is a prime.

It is not a weakly prime, because it can be changed into another prime (85946243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42973421 + 42973422.

It is an arithmetic number, because the mean of its divisors is an integer number (42973422).

Almost surely, 2^85946843 is an apocalyptic number.

85946843 is a deficient number, since it is larger than the sum of its proper divisors (1).

85946843 is an equidigital number, since it uses as much as digits as its factorization.

85946843 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 829440, while the sum is 47.

The square root of 85946843 is about 9270.7520191191. The cubic root of 85946843 is about 441.3095336002.

The spelling of 85946843 in words is "eighty-five million, nine hundred forty-six thousand, eight hundred forty-three".