63883677864 has 32 divisors (see below), whose sum is σ = 159757600320. Its totient is φ = 21288105216.

The previous prime is 63883677811. The next prime is 63883677887. The reversal of 63883677864 is 46877638836.

It is a super-2 number, since 2×63883677864² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 63883677795 and 63883677804.

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 7 ways as a sum of consecutive naturals, for example, 322212 + ... + 481235.

It is an arithmetic number, because the mean of its divisors is an integer number (4992425010).

Almost surely, 2^63883677864 is an apocalyptic number.

It is an amenable number.

63883677864 is an abundant number, since it is smaller than the sum of its proper divisors (95873922456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63883677864 is a wasteful number, since it uses less digits than its factorization.

63883677864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 806769 (or 806765 counting only the distinct ones).

The product of its digits is 195084288, while the sum is 66.

The spelling of 63883677864 in words is "sixty-three billion, eight hundred eighty-three million, six hundred seventy-seven thousand, eight hundred sixty-four".