6878901888 has 128 divisors (see below), whose sum is σ = 20547777600. Its totient is φ = 2265246720.

The previous prime is 6878901871. The next prime is 6878901901. The reversal of 6878901888 is 8881098786.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 274858 + ... + 298838.

Almost surely, 2^6878901888 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 6878901888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10273888800).

6878901888 is an abundant number, since it is smaller than the sum of its proper divisors (13668875712).

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

6878901888 is a wasteful number, since it uses less digits than its factorization.

6878901888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24087 (or 24069 counting only the distinct ones).

The product of its (nonzero) digits is 12386304, while the sum is 63.

The square root of 6878901888 is about 82939.1456912838. The cubic root of 6878901888 is about 1901.8358882773.

The spelling of 6878901888 in words is "six billion, eight hundred seventy-eight million, nine hundred one thousand, eight hundred eighty-eight".