63271144764 has 120 divisors (see below), whose sum is σ = 168020189568. Its totient is φ = 20757733920.

The previous prime is 63271144759. The next prime is 63271144787. The reversal of 63271144764 is 46744117236.

63271144764 is a `hidden beast` number, since 63 + 2 + 7 + 114 + 476 + 4 = 666.

63271144764 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 15709719 + ... + 15713745.

Almost surely, 2^63271144764 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 63271144764, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84010094784).

63271144764 is an abundant number, since it is smaller than the sum of its proper divisors (104749044804).

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

63271144764 is a wasteful number, since it uses less digits than its factorization.

63271144764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4797 (or 4786 counting only the distinct ones).

The product of its digits is 677376, while the sum is 45.

The spelling of 63271144764 in words is "sixty-three billion, two hundred seventy-one million, one hundred forty-four thousand, seven hundred sixty-four".