63996860004 has 192 divisors, whose sum is σ = 194368204800. Its totient is φ = 15901401600.

The previous prime is 63996860003. The next prime is 63996860041. The reversal of 63996860004 is 40006869936.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (63996860003) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 2909809 + ... + 2931719.

It is an arithmetic number, because the mean of its divisors is an integer number (1012334400).

Almost surely, 2^63996860004 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 63996860004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97184102400).

63996860004 is an abundant number, since it is smaller than the sum of its proper divisors (130371344796).

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

63996860004 is a wasteful number, since it uses less digits than its factorization.

63996860004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22074 (or 22072 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 51.

The spelling of 63996860004 in words is "sixty-three billion, nine hundred ninety-six million, eight hundred sixty thousand, four".