63866227 has 2 divisors, whose sum is σ = 63866228. Its totient is φ = 63866226.

The previous prime is 63866221. The next prime is 63866269. The reversal of 63866227 is 72266836.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63866227 - 2²³ = 55477619 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 63866227.

It is not a weakly prime, because it can be changed into another prime (63866221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31933113 + 31933114.

It is an arithmetic number, because the mean of its divisors is an integer number (31933114).

Almost surely, 2^63866227 is an apocalyptic number.

63866227 is a deficient number, since it is larger than the sum of its proper divisors (1).

63866227 is an equidigital number, since it uses as much as digits as its factorization.

63866227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145152, while the sum is 40.

The square root of 63866227 is about 7991.6348139789. The cubic root of 63866227 is about 399.7211118487.

The spelling of 63866227 in words is "sixty-three million, eight hundred sixty-six thousand, two hundred twenty-seven".