63871038054 has 96 divisors (see below), whose sum is σ = 147421257984. Its totient is φ = 20714369760.

The previous prime is 63871038047. The next prime is 63871038067. The reversal of 63871038054 is 45083017836.

63871038054 is a `hidden beast` number, since 638 + 7 + 1 + 0 + 3 + 8 + 0 + 5 + 4 = 666.

It is a super-2 number, since 2×63871038054² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5490364 + ... + 5501984.

It is an arithmetic number, because the mean of its divisors is an integer number (1535638104).

Almost surely, 2^63871038054 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63871038054, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73710628992).

63871038054 is an abundant number, since it is smaller than the sum of its proper divisors (83550219930).

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

63871038054 is a wasteful number, since it uses less digits than its factorization.

63871038054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11944 (or 11932 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 63871038054 in words is "sixty-three billion, eight hundred seventy-one million, thirty-eight thousand, fifty-four".