63996727 has 2 divisors, whose sum is σ = 63996728. Its totient is φ = 63996726.

The previous prime is 63996701. The next prime is 63996733. The reversal of 63996727 is 72769936.

63996727 is digitally balanced in base 2, 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 a de Polignac number, because none of the positive numbers 2^k-63996727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63996227) 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, 31998363 + 31998364.

It is an arithmetic number, because the mean of its divisors is an integer number (31998364).

Almost surely, 2^63996727 is an apocalyptic number.

63996727 is a deficient number, since it is larger than the sum of its proper divisors (1).

63996727 is an equidigital number, since it uses as much as digits as its factorization.

63996727 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 857304, while the sum is 49.

The square root of 63996727 is about 7999.7954348846. The cubic root of 63996727 is about 399.9931811338.

The spelling of 63996727 in words is "sixty-three million, nine hundred ninety-six thousand, seven hundred twenty-seven".