86220319 has 2 divisors, whose sum is σ = 86220320. Its totient is φ = 86220318.

The previous prime is 86220313. The next prime is 86220359. The reversal of 86220319 is 91302268.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86220319 - 2⁵ = 86220287 is a prime.

It is a super-2 number, since 2×86220319² = 14867886816923522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86220313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43110159 + 43110160.

It is an arithmetic number, because the mean of its divisors is an integer number (43110160).

Almost surely, 2^86220319 is an apocalyptic number.

86220319 is a deficient number, since it is larger than the sum of its proper divisors (1).

86220319 is an equidigital number, since it uses as much as digits as its factorization.

86220319 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 86220319 is about 9285.4897016797. The cubic root of 86220319 is about 441.7771086018. Note that the first 3 decimals are identical.

The spelling of 86220319 in words is "eighty-six million, two hundred twenty thousand, three hundred nineteen".