63881267 has 2 divisors, whose sum is σ = 63881268. Its totient is φ = 63881266.

The previous prime is 63881261. The next prime is 63881299. The reversal of 63881267 is 76218836.

It is a happy number.

63881267 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63881267 - 2¹⁴ = 63864883 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (63881261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31940633 + 31940634.

It is an arithmetic number, because the mean of its divisors is an integer number (31940634).

Almost surely, 2^63881267 is an apocalyptic number.

63881267 is a deficient number, since it is larger than the sum of its proper divisors (1).

63881267 is an equidigital number, since it uses as much as digits as its factorization.

63881267 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96768, while the sum is 41.

The square root of 63881267 is about 7992.5757425251. The cubic root of 63881267 is about 399.7524864575.

The spelling of 63881267 in words is "sixty-three million, eight hundred eighty-one thousand, two hundred sixty-seven".