6864288247 has 2 divisors, whose sum is σ = 6864288248. Its totient is φ = 6864288246.

The previous prime is 6864288239. The next prime is 6864288253. The reversal of 6864288247 is 7428824686.

6864288247 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6864288247 - 2³ = 6864288239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6864288547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3432144123 + 3432144124.

It is an arithmetic number, because the mean of its divisors is an integer number (3432144124).

Almost surely, 2^6864288247 is an apocalyptic number.

6864288247 is a deficient number, since it is larger than the sum of its proper divisors (1).

6864288247 is an equidigital number, since it uses as much as digits as its factorization.

6864288247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8257536, while the sum is 55.

The square root of 6864288247 is about 82851.0002776068. Note that the first 3 decimals coincide. The cubic root of 6864288247 is about 1900.4881706845.

The spelling of 6864288247 in words is "six billion, eight hundred sixty-four million, two hundred eighty-eight thousand, two hundred forty-seven".