86158243 has 2 divisors, whose sum is σ = 86158244. Its totient is φ = 86158242.

The previous prime is 86158229. The next prime is 86158277. The reversal of 86158243 is 34285168.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86158243 - 2⁵ = 86158211 is a prime.

It is not a weakly prime, because it can be changed into another prime (86158543) 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, 43079121 + 43079122.

It is an arithmetic number, because the mean of its divisors is an integer number (43079122).

Almost surely, 2^86158243 is an apocalyptic number.

86158243 is a deficient number, since it is larger than the sum of its proper divisors (1).

86158243 is an equidigital number, since it uses as much as digits as its factorization.

86158243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46080, while the sum is 37.

The square root of 86158243 is about 9282.1464651232. The cubic root of 86158243 is about 441.6710611327.

The spelling of 86158243 in words is "eighty-six million, one hundred fifty-eight thousand, two hundred forty-three".