8066278247 has 2 divisors, whose sum is σ = 8066278248. Its totient is φ = 8066278246.

The previous prime is 8066278219. The next prime is 8066278249. The reversal of 8066278247 is 7428726608.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8066278247 - 2¹⁰ = 8066277223 is a prime.

Together with 8066278249, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 8066278195 and 8066278204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8066278249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4033139123 + 4033139124.

It is an arithmetic number, because the mean of its divisors is an integer number (4033139124).

Almost surely, 2^8066278247 is an apocalyptic number.

8066278247 is a deficient number, since it is larger than the sum of its proper divisors (1).

8066278247 is an equidigital number, since it uses as much as digits as its factorization.

8066278247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1806336, while the sum is 50.

The square root of 8066278247 is about 89812.4615351344. The cubic root of 8066278247 is about 2005.5080042693.

The spelling of 8066278247 in words is "eight billion, sixty-six million, two hundred seventy-eight thousand, two hundred forty-seven".