863967227 has 2 divisors, whose sum is σ = 863967228. Its totient is φ = 863967226.

The previous prime is 863967197. The next prime is 863967253. The reversal of 863967227 is 722769368.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 863967227 - 2¹⁰ = 863966203 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (863967287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 431983613 + 431983614.

It is an arithmetic number, because the mean of its divisors is an integer number (431983614).

Almost surely, 2^863967227 is an apocalyptic number.

863967227 is a deficient number, since it is larger than the sum of its proper divisors (1).

863967227 is an equidigital number, since it uses as much as digits as its factorization.

863967227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1524096, while the sum is 50.

The square root of 863967227 is about 29393.3194280605. The cubic root of 863967227 is about 952.4285884604.

The spelling of 863967227 in words is "eight hundred sixty-three million, nine hundred sixty-seven thousand, two hundred twenty-seven".