6887888 has 40 divisors (see below), whose sum is σ = 15445440. Its totient is φ = 2914560.

The previous prime is 6887863. The next prime is 6887893. The reversal of 6887888 is 8887886.

6887888 = 17³ + 18³ + ... + 72³.

It is a super-2 number, since 2×6887888² = 94886002201088, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9623 + ... + 10313.

It is an arithmetic number, because the mean of its divisors is an integer number (386136).

Almost surely, 2^6887888 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 6887888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7722720).

6887888 is an abundant number, since it is smaller than the sum of its proper divisors (8557552).

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

6887888 is a wasteful number, since it uses less digits than its factorization.

6887888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 795 (or 789 counting only the distinct ones).

The product of its digits is 1376256, while the sum is 53.

The square root of 6887888 is about 2624.4786148872. The cubic root of 6887888 is about 190.2663669329.

The spelling of 6887888 in words is "six million, eight hundred eighty-seven thousand, eight hundred eighty-eight".