63725330880 has 896 divisors, whose sum is σ = 246176962560. Its totient is φ = 15667458048.

The previous prime is 63725330869. The next prime is 63725330923. The reversal of 63725330880 is 8803352736.

63725330880 is a `hidden beast` number, since 6 + 37 + 2 + 533 + 0 + 8 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 595563787 + ... + 595563893.

Almost surely, 2^63725330880 is an apocalyptic number.

63725330880 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 63725330880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123088481280).

63725330880 is an abundant number, since it is smaller than the sum of its proper divisors (182451631680).

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

63725330880 is a wasteful number, since it uses less digits than its factorization.

63725330880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205 (or 177 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The spelling of 63725330880 in words is "sixty-three billion, seven hundred twenty-five million, three hundred thirty thousand, eight hundred eighty".