63508388072 has 16 divisors (see below), whose sum is σ = 124255542240. Its totient is φ = 30373576816.

The previous prime is 63508388033. The next prime is 63508388089. The reversal of 63508388072 is 27088380536.

It is a self number, because there is not a number n which added to its sum of digits gives 63508388072.

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 in 3 ways as a sum of consecutive naturals, for example, 172576958 + ... + 172577325.

It is an arithmetic number, because the mean of its divisors is an integer number (7765971390).

Almost surely, 2^63508388072 is an apocalyptic number.

It is an amenable number.

63508388072 is a deficient number, since it is larger than the sum of its proper divisors (60747154168).

63508388072 is a wasteful number, since it uses less digits than its factorization.

63508388072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345154312 (or 345154308 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 50.

The spelling of 63508388072 in words is "sixty-three billion, five hundred eight million, three hundred eighty-eight thousand, seventy-two".