6888998886 has 96 divisors (see below), whose sum is σ = 17522241408. Its totient is φ = 1785490560.

The previous prime is 6888998873. The next prime is 6888998903.

6888998886 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1689346 + ... + 1693418.

It is an arithmetic number, because the mean of its divisors is an integer number (182523348).

Almost surely, 2^6888998886 is an apocalyptic number.

6888998886 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 6888998886, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8761120704).

6888998886 is an abundant number, since it is smaller than the sum of its proper divisors (10633242522).

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

6888998886 is a wasteful number, since it uses less digits than its factorization.

6888998886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4626 (or 4619 counting only the distinct ones).

The product of its digits is 764411904, while the sum is 78.

The square root of 6888998886 is about 82999.9932891564. The cubic root of 6888998886 is about 1902.7659517131.

The spelling of 6888998886 in words is "six billion, eight hundred eighty-eight million, nine hundred ninety-eight thousand, eight hundred eighty-six".