86210219 has 2 divisors, whose sum is σ = 86210220. Its totient is φ = 86210218.

The previous prime is 86210209. The next prime is 86210231. The reversal of 86210219 is 91201268.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86210219 - 2⁴ = 86210203 is a prime.

It is a super-2 number, since 2×86210219² = 14864403720055922, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 86210191 and 86210200.

It is not a weakly prime, because it can be changed into another prime (86210209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43105109 + 43105110.

It is an arithmetic number, because the mean of its divisors is an integer number (43105110).

Almost surely, 2^86210219 is an apocalyptic number.

86210219 is a deficient number, since it is larger than the sum of its proper divisors (1).

86210219 is an equidigital number, since it uses as much as digits as its factorization.

86210219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 86210219 is about 9284.9458264440. The cubic root of 86210219 is about 441.7598577453.

The spelling of 86210219 in words is "eighty-six million, two hundred ten thousand, two hundred nineteen".