63447879168000 has 936 divisors, whose sum is σ = 234466120531968. Its totient is φ = 16504750080000.

The previous prime is 63447879167993. The next prime is 63447879168013. The reversal of 63447879168000 is 86197874436.

63447879168000 is a `hidden beast` number, since 6 + 3 + 4 + 478 + 79 + 16 + 80 + 0 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 7746043905 + ... + 7746052095.

Almost surely, 2^{63447879168000} is an apocalyptic number.

63447879168000 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63447879168000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117233060265984).

63447879168000 is an abundant number, since it is smaller than the sum of its proper divisors (171018241363968).

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

63447879168000 is an equidigital number, since it uses as much as digits as its factorization.

63447879168000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8318 (or 8242 counting only the distinct ones).

The product of its (nonzero) digits is 48771072, while the sum is 63.

The spelling of 63447879168000 in words is "sixty-three trillion, four hundred forty-seven billion, eight hundred seventy-nine million, one hundred sixty-eight thousand".