63831585712 has 20 divisors (see below), whose sum is σ = 123949153800. Its totient is φ = 31844707328.

The previous prime is 63831585689. The next prime is 63831585757. The reversal of 63831585712 is 21758513836.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4435438 + ... + 4449805.

It is an arithmetic number, because the mean of its divisors is an integer number (6197457690).

Almost surely, 2^63831585712 is an apocalyptic number.

It is an amenable number.

63831585712 is a deficient number, since it is larger than the sum of its proper divisors (60117568088).

63831585712 is a wasteful number, since it uses less digits than its factorization.

63831585712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8885700 (or 8885694 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 49.

The spelling of 63831585712 in words is "sixty-three billion, eight hundred thirty-one million, five hundred eighty-five thousand, seven hundred twelve".