63678085796640 has 288 divisors, whose sum is σ = 236621110529664. Its totient is φ = 14349990789120.

The previous prime is 63678085796581. The next prime is 63678085796671. The reversal of 63678085796640 is 4669758087636.

63678085796640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×63678085796640² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17396289 + ... + 20736128.

It is an arithmetic number, because the mean of its divisors is an integer number (821601078228).

Almost surely, 2^{63678085796640} is an apocalyptic number.

63678085796640 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

63678085796640 is an abundant number, since it is smaller than the sum of its proper divisors (172943024733024).

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

63678085796640 is a wasteful number, since it uses less digits than its factorization.

63678085796640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38132520 (or 38132505 counting only the distinct ones).

The product of its (nonzero) digits is 2194698240, while the sum is 75.

The spelling of 63678085796640 in words is "sixty-three trillion, six hundred seventy-eight billion, eighty-five million, seven hundred ninety-six thousand, six hundred forty".