63888823 has 2 divisors, whose sum is σ = 63888824. Its totient is φ = 63888822.

The previous prime is 63888809. The next prime is 63888889. The reversal of 63888823 is 32888836.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63888823 - 2⁹ = 63888311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63888893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31944411 + 31944412.

It is an arithmetic number, because the mean of its divisors is an integer number (31944412).

Almost surely, 2^63888823 is an apocalyptic number.

63888823 is a deficient number, since it is larger than the sum of its proper divisors (1).

63888823 is an equidigital number, since it uses as much as digits as its factorization.

63888823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 442368, while the sum is 46.

The square root of 63888823 is about 7993.0484172186. The cubic root of 63888823 is about 399.7682470023.

The spelling of 63888823 in words is "sixty-three million, eight hundred eighty-eight thousand, eight hundred twenty-three".