6887808 has 64 divisors (see below), whose sum is σ = 20338800. Its totient is φ = 2294784.

The previous prime is 6887807. The next prime is 6887813. The reversal of 6887808 is 8087886.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6887807) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2460 + ... + 4452.

Almost surely, 2^6887808 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 6887808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10169400).

6887808 is an abundant number, since it is smaller than the sum of its proper divisors (13450992).

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

6887808 is a wasteful number, since it uses less digits than its factorization.

6887808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2016 (or 1998 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 45.

The square root of 6887808 is about 2624.4633737204. The cubic root of 6887808 is about 190.2656303081.

The spelling of 6887808 in words is "six million, eight hundred eighty-seven thousand, eight hundred eight".