63275599861344 has 288 divisors, whose sum is σ = 204288570630144. Its totient is φ = 18440487889920.

The previous prime is 63275599861337. The next prime is 63275599861363. The reversal of 63275599861344 is 44316899557236.

63275599861344 is a `hidden beast` number, since 6 + 3 + 2 + 7 + 559 + 9 + 8 + 61 + 3 + 4 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Smith number, since the sum of its digits (72) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 344764 + ... + 11254779.

It is an arithmetic number, because the mean of its divisors is an integer number (709335314688).

Almost surely, 2^{63275599861344} 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 63275599861344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102144285315072).

63275599861344 is an abundant number, since it is smaller than the sum of its proper divisors (141012970768800).

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

63275599861344 is a wasteful number, since it uses less digits than its factorization.

63275599861344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11599650 (or 11599639 counting only the distinct ones).

The product of its digits is 1175731200, while the sum is 72.

The spelling of 63275599861344 in words is "sixty-three trillion, two hundred seventy-five billion, five hundred ninety-nine million, eight hundred sixty-one thousand, three hundred forty-four".