63687775443712 has 432 divisors, whose sum is σ = 165166349709312. Its totient is φ = 23935883304960.

The previous prime is 63687775443709. The next prime is 63687775443737. The reversal of 63687775443712 is 21734457778636.

It is a super-2 number, since 2×63687775443712² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 461179218 + ... + 461317294.

It is an arithmetic number, because the mean of its divisors is an integer number (382329513216).

Almost surely, 2^{63687775443712} is an apocalyptic number.

63687775443712 is a gapful number since it is divisible by the number (62) 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 63687775443712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82583174854656).

63687775443712 is an abundant number, since it is smaller than the sum of its proper divisors (101478574265600).

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

63687775443712 is a wasteful number, since it uses less digits than its factorization.

63687775443712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138192 (or 138159 counting only the distinct ones).

The product of its digits is 995742720, while the sum is 70.

The spelling of 63687775443712 in words is "sixty-three trillion, six hundred eighty-seven billion, seven hundred seventy-five million, four hundred forty-three thousand, seven hundred twelve".