63783114856 has 8 divisors (see below), whose sum is σ = 119593340370. Its totient is φ = 31891557424.

The previous prime is 63783114847. The next prime is 63783114859. The reversal of 63783114856 is 65841138736.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 34451072100 + 29332042756 = 185610^2 + 171266^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (63783114859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3986444671 + ... + 3986444686.

Almost surely, 2^63783114856 is an apocalyptic number.

It is an amenable number.

63783114856 is a deficient number, since it is larger than the sum of its proper divisors (55810225514).

63783114856 is a wasteful number, since it uses less digits than its factorization.

63783114856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7972889363 (or 7972889359 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 52.

The spelling of 63783114856 in words is "sixty-three billion, seven hundred eighty-three million, one hundred fourteen thousand, eight hundred fifty-six".