86453219 has 2 divisors, whose sum is σ = 86453220. Its totient is φ = 86453218.

The previous prime is 86453209. The next prime is 86453261. The reversal of 86453219 is 91235468.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86453219 - 2¹² = 86449123 is a prime.

It is a super-2 number, since 2×86453219² = 14948318150923922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (86453209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43226609 + 43226610.

It is an arithmetic number, because the mean of its divisors is an integer number (43226610).

Almost surely, 2^86453219 is an apocalyptic number.

86453219 is a deficient number, since it is larger than the sum of its proper divisors (1).

86453219 is an equidigital number, since it uses as much as digits as its factorization.

86453219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51840, while the sum is 38.

The square root of 86453219 is about 9298.0223166005. The cubic root of 86453219 is about 442.1745299438.

The spelling of 86453219 in words is "eighty-six million, four hundred fifty-three thousand, two hundred nineteen".