63871430966 has 16 divisors (see below), whose sum is σ = 115934698656. Its totient is φ = 25763266176.

The previous prime is 63871430963. The next prime is 63871430981. The reversal of 63871430966 is 66903417836.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63871430963) 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 in 7 ways as a sum of consecutive naturals, for example, 134183441 + ... + 134183916.

It is an arithmetic number, because the mean of its divisors is an integer number (7245918666).

Almost surely, 2^63871430966 is an apocalyptic number.

63871430966 is a deficient number, since it is larger than the sum of its proper divisors (52063267690).

63871430966 is a wasteful number, since it uses less digits than its factorization.

63871430966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268367383.

The product of its (nonzero) digits is 3919104, while the sum is 53.

The spelling of 63871430966 in words is "sixty-three billion, eight hundred seventy-one million, four hundred thirty thousand, nine hundred sixty-six".