63878199804 has 96 divisors (see below), whose sum is σ = 174631833600. Its totient is φ = 20136729600.

The previous prime is 63878199797. The next prime is 63878199829. The reversal of 63878199804 is 40899187836.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1157029 + ... + 1210979.

It is an arithmetic number, because the mean of its divisors is an integer number (1819081600).

Almost surely, 2^63878199804 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 63878199804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87315916800).

63878199804 is an abundant number, since it is smaller than the sum of its proper divisors (110753633796).

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

63878199804 is a wasteful number, since it uses less digits than its factorization.

63878199804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54560 (or 54552 counting only the distinct ones).

The product of its (nonzero) digits is 20901888, while the sum is 63.

The spelling of 63878199804 in words is "sixty-three billion, eight hundred seventy-eight million, one hundred ninety-nine thousand, eight hundred four".