86192213 has 2 divisors, whose sum is σ = 86192214. Its totient is φ = 86192212.

The previous prime is 86192177. The next prime is 86192237. The reversal of 86192213 is 31229168.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48762289 + 37429924 = 6983^2 + 6118^2 .

It is a cyclic number.

It is not a de Polignac number, because 86192213 - 2⁶ = 86192149 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 86192213.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86192413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43096106 + 43096107.

It is an arithmetic number, because the mean of its divisors is an integer number (43096107).

Almost surely, 2^86192213 is an apocalyptic number.

It is an amenable number.

86192213 is a deficient number, since it is larger than the sum of its proper divisors (1).

86192213 is an equidigital number, since it uses as much as digits as its factorization.

86192213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 32.

The square root of 86192213 is about 9283.9761417186. The cubic root of 86192213 is about 441.7291000543.

The spelling of 86192213 in words is "eighty-six million, one hundred ninety-two thousand, two hundred thirteen".