63679017368 has 8 divisors (see below), whose sum is σ = 119398157580. Its totient is φ = 31839508680.

The previous prime is 63679017343. The next prime is 63679017379. The reversal of 63679017368 is 86371097636.

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

It is a congruent number.

It is an unprimeable number.

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, 3979938578 + ... + 3979938593.

Almost surely, 2^63679017368 is an apocalyptic number.

It is an amenable number.

63679017368 is a deficient number, since it is larger than the sum of its proper divisors (55719140212).

63679017368 is a wasteful number, since it uses less digits than its factorization.

63679017368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7959877177 (or 7959877173 counting only the distinct ones).

The product of its (nonzero) digits is 6858432, while the sum is 56.

The spelling of 63679017368 in words is "sixty-three billion, six hundred seventy-nine million, seventeen thousand, three hundred sixty-eight".