63538178484 has 96 divisors (see below), whose sum is σ = 162914613120. Its totient is φ = 19113740800.

The previous prime is 63538178443. The next prime is 63538178503. The reversal of 63538178484 is 48487183536.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18746662 + ... + 18750050.

It is an arithmetic number, because the mean of its divisors is an integer number (1697027220).

Almost surely, 2^63538178484 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 63538178484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81457306560).

63538178484 is an abundant number, since it is smaller than the sum of its proper divisors (99376434636).

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

63538178484 is a wasteful number, since it uses less digits than its factorization.

63538178484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4401 (or 4399 counting only the distinct ones).

The product of its digits is 15482880, while the sum is 57.

The spelling of 63538178484 in words is "sixty-three billion, five hundred thirty-eight million, one hundred seventy-eight thousand, four hundred eighty-four".