63827273782872 has 96 divisors (see below), whose sum is σ = 177174640122480. Its totient is φ = 20745950622720.

The previous prime is 63827273782847. The next prime is 63827273782889. The reversal of 63827273782872 is 27828737272836.

63827273782872 is a `hidden beast` number, since 6 + 3 + 8 + 2 + 7 + 273 + 78 + 287 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a self number, because there is not a number n which added to its sum of digits gives 63827273782872.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39573 + ... + 11298500.

Almost surely, 2^{63827273782872} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63827273782872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88587320061240).

63827273782872 is an abundant number, since it is smaller than the sum of its proper divisors (113347366339608).

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

63827273782872 is a wasteful number, since it uses less digits than its factorization.

63827273782872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11340033 (or 11340026 counting only the distinct ones).

The product of its digits is 1062125568, while the sum is 72.

The spelling of 63827273782872 in words is "sixty-three trillion, eight hundred twenty-seven billion, two hundred seventy-three million, seven hundred eighty-two thousand, eight hundred seventy-two".