63856217630360 has 64 divisors (see below), whose sum is σ = 145860380557920. Its totient is φ = 25154446141440.

The previous prime is 63856217630323. The next prime is 63856217630363. The reversal of 63856217630360 is 6303671265836.

63856217630360 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 63856217630296 and 63856217630305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63856217630363) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 6685490 + ... + 13130430.

Almost surely, 2^{63856217630360} 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 63856217630360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72930190278960).

63856217630360 is an abundant number, since it is smaller than the sum of its proper divisors (82004162927560).

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

63856217630360 is a wasteful number, since it uses less digits than its factorization.

63856217630360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6448716 (or 6448712 counting only the distinct ones).

The product of its (nonzero) digits is 19595520, while the sum is 56.

The spelling of 63856217630360 in words is "sixty-three trillion, eight hundred fifty-six billion, two hundred seventeen million, six hundred thirty thousand, three hundred sixty".