8278297 has 2 divisors, whose sum is σ = 8278298. Its totient is φ = 8278296.

The previous prime is 8278279. The next prime is 8278301. The reversal of 8278297 is 7928728.

8278297 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (8278279) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4822416 + 3455881 = 2196^2 + 1859^2 .

It is a cyclic number.

It is not a de Polignac number, because 8278297 - 2¹⁹ = 7754009 is a prime.

It is not a weakly prime, because it can be changed into another prime (8278247) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4139148 + 4139149.

It is an arithmetic number, because the mean of its divisors is an integer number (4139149).

Almost surely, 2^8278297 is an apocalyptic number.

It is an amenable number.

8278297 is a deficient number, since it is larger than the sum of its proper divisors (1).

8278297 is an equidigital number, since it uses as much as digits as its factorization.

8278297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 112896, while the sum is 43.

The square root of 8278297 is about 2877.2029820644. The cubic root of 8278297 is about 202.2927575440.

The spelling of 8278297 in words is "eight million, two hundred seventy-eight thousand, two hundred ninety-seven".