63875567448 has 384 divisors, whose sum is σ = 218846085120. Its totient is φ = 16349921280.

The previous prime is 63875567369. The next prime is 63875567513. The reversal of 63875567448 is 84476557836.

63875567448 is a `hidden beast` number, since 6 + 3 + 8 + 7 + 556 + 74 + 4 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 180950440 + ... + 180950792.

It is an arithmetic number, because the mean of its divisors is an integer number (569911680).

Almost surely, 2^63875567448 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 63875567448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109423042560).

63875567448 is an abundant number, since it is smaller than the sum of its proper divisors (154970517672).

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

63875567448 is a wasteful number, since it uses less digits than its factorization.

63875567448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 767 (or 760 counting only the distinct ones).

The product of its digits is 135475200, while the sum is 63.

The spelling of 63875567448 in words is "sixty-three billion, eight hundred seventy-five million, five hundred sixty-seven thousand, four hundred forty-eight".