63828943 has 2 divisors, whose sum is σ = 63828944. Its totient is φ = 63828942.

The previous prime is 63828917. The next prime is 63828967. The reversal of 63828943 is 34982836.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 63828943 - 2⁵ = 63828911 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 63828943.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63828643) 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, 31914471 + 31914472.

It is an arithmetic number, because the mean of its divisors is an integer number (31914472).

Almost surely, 2^63828943 is an apocalyptic number.

63828943 is a deficient number, since it is larger than the sum of its proper divisors (1).

63828943 is an equidigital number, since it uses as much as digits as its factorization.

63828943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 248832, while the sum is 43.

The square root of 63828943 is about 7989.3017842613. The cubic root of 63828943 is about 399.6433132810.

The spelling of 63828943 in words is "sixty-three million, eight hundred twenty-eight thousand, nine hundred forty-three".