63375597427968 has 576 divisors, whose sum is σ = 220767870597120. Its totient is φ = 17557037826048.

The previous prime is 63375597427937. The next prime is 63375597428029. The reversal of 63375597427968 is 86972479557336.

63375597427968 is a `hidden beast` number, since 6 + 3 + 37 + 559 + 7 + 4 + 27 + 9 + 6 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (576).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 284918971 + ... + 285141317.

It is an arithmetic number, because the mean of its divisors is an integer number (383277553120).

Almost surely, 2^{63375597427968} 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 63375597427968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110383935298560).

63375597427968 is an abundant number, since it is smaller than the sum of its proper divisors (157392273169152).

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

63375597427968 is a wasteful number, since it uses less digits than its factorization.

63375597427968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222559 (or 222539 counting only the distinct ones).

The product of its digits is 14402707200, while the sum is 81.

The spelling of 63375597427968 in words is "sixty-three trillion, three hundred seventy-five billion, five hundred ninety-seven million, four hundred twenty-seven thousand, nine hundred sixty-eight".