63899327 has 2 divisors, whose sum is σ = 63899328. Its totient is φ = 63899326.

The previous prime is 63899321. The next prime is 63899357. The reversal of 63899327 is 72399836.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63899327 - 2¹⁴ = 63882943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63899321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31949663 + 31949664.

It is an arithmetic number, because the mean of its divisors is an integer number (31949664).

Almost surely, 2^63899327 is an apocalyptic number.

63899327 is a deficient number, since it is larger than the sum of its proper divisors (1).

63899327 is an equidigital number, since it uses as much as digits as its factorization.

63899327 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 489888, while the sum is 47.

The square root of 63899327 is about 7993.7054611738. The cubic root of 63899327 is about 399.7901545148.

The spelling of 63899327 in words is "sixty-three million, eight hundred ninety-nine thousand, three hundred twenty-seven".