63985367 has 2 divisors, whose sum is σ = 63985368. Its totient is φ = 63985366.

The previous prime is 63985357. The next prime is 63985381. The reversal of 63985367 is 76358936.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63985367 - 2¹² = 63981271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63985307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31992683 + 31992684.

It is an arithmetic number, because the mean of its divisors is an integer number (31992684).

Almost surely, 2^63985367 is an apocalyptic number.

63985367 is a deficient number, since it is larger than the sum of its proper divisors (1).

63985367 is an equidigital number, since it uses as much as digits as its factorization.

63985367 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 816480, while the sum is 47.

The square root of 63985367 is about 7999.0853852175. The cubic root of 63985367 is about 399.9695122596.

The spelling of 63985367 in words is "sixty-three million, nine hundred eighty-five thousand, three hundred sixty-seven".