63478638288 has 240 divisors, whose sum is σ = 194636542464. Its totient is φ = 19194900480.

The previous prime is 63478638287. The next prime is 63478638313. The reversal of 63478638288 is 88283687436.

63478638288 is a `hidden beast` number, since 6 + 3 + 478 + 6 + 3 + 82 + 88 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63478638287) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 57550345 + ... + 57551447.

Almost surely, 2^63478638288 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 63478638288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97318271232).

63478638288 is an abundant number, since it is smaller than the sum of its proper divisors (131157904176).

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

63478638288 is a wasteful number, since it uses less digits than its factorization.

63478638288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1634 (or 1625 counting only the distinct ones).

The product of its digits is 74317824, while the sum is 63.

The spelling of 63478638288 in words is "sixty-three billion, four hundred seventy-eight million, six hundred thirty-eight thousand, two hundred eighty-eight".