63727206912 has 240 divisors, whose sum is σ = 190439977728. Its totient is φ = 20493803520.

The previous prime is 63727206889. The next prime is 63727206913. The reversal of 63727206912 is 21960272736.

63727206912 is a `hidden beast` number, since 637 + 2 + 7 + 2 + 0 + 6 + 9 + 1 + 2 = 666.

It is a super-2 number, since 2×63727206912² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (63727206913) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74709078 + ... + 74709930.

Almost surely, 2^63727206912 is an apocalyptic number.

63727206912 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 63727206912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95219988864).

63727206912 is an abundant number, since it is smaller than the sum of its proper divisors (126712770816).

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

63727206912 is a wasteful number, since it uses less digits than its factorization.

63727206912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1431 (or 1412 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 45.

The spelling of 63727206912 in words is "sixty-three billion, seven hundred twenty-seven million, two hundred six thousand, nine hundred twelve".