8066278219 has 2 divisors, whose sum is σ = 8066278220. Its totient is φ = 8066278218.

The previous prime is 8066278217. The next prime is 8066278247. The reversal of 8066278219 is 9128726608.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8066278219 - 2¹ = 8066278217 is a prime.

It is a super-2 number, since 2×8066278219² (a number of 21 digits) contains 22 as substring.

Together with 8066278217, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (8066278217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4033139109 + 4033139110.

It is an arithmetic number, because the mean of its divisors is an integer number (4033139110).

Almost surely, 2^8066278219 is an apocalyptic number.

8066278219 is a deficient number, since it is larger than the sum of its proper divisors (1).

8066278219 is an equidigital number, since it uses as much as digits as its factorization.

8066278219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 580608, while the sum is 49.

The square root of 8066278219 is about 89812.4613792540. The cubic root of 8066278219 is about 2005.5080019487.

The spelling of 8066278219 in words is "eight billion, sixty-six million, two hundred seventy-eight thousand, two hundred nineteen".