63898063 has 2 divisors, whose sum is σ = 63898064. Its totient is φ = 63898062.

The previous prime is 63898039. The next prime is 63898067. The reversal of 63898063 is 36089836.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 63898063 - 2⁵ = 63898031 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63898067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31949031 + 31949032.

It is an arithmetic number, because the mean of its divisors is an integer number (31949032).

Almost surely, 2^63898063 is an apocalyptic number.

63898063 is a deficient number, since it is larger than the sum of its proper divisors (1).

63898063 is an equidigital number, since it uses as much as digits as its factorization.

63898063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 63898063 is about 7993.6263985753. The cubic root of 63898063 is about 399.7875183989.

The spelling of 63898063 in words is "sixty-three million, eight hundred ninety-eight thousand, sixty-three".