63597797239680 has 768 divisors, whose sum is σ = 250563846355200. Its totient is φ = 15231851458560.

The previous prime is 63597797239637. The next prime is 63597797239703. The reversal of 63597797239680 is 8693279779536.

63597797239680 is a `hidden beast` number, since 6 + 3 + 5 + 97 + 79 + 72 + 396 + 8 + 0 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 63597797239680.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 173359807 + ... + 173726273.

It is an arithmetic number, because the mean of its divisors is an integer number (326255008275).

Almost surely, 2^{63597797239680} is an apocalyptic number.

63597797239680 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63597797239680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125281923177600).

63597797239680 is an abundant number, since it is smaller than the sum of its proper divisors (186966049115520).

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

63597797239680 is a wasteful number, since it uses less digits than its factorization.

63597797239680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366600 (or 366571 counting only the distinct ones).

The product of its (nonzero) digits is 6481218240, while the sum is 81.

The spelling of 63597797239680 in words is "sixty-three trillion, five hundred ninety-seven billion, seven hundred ninety-seven million, two hundred thirty-nine thousand, six hundred eighty".