6886886886 has 96 divisors (see below), whose sum is σ = 17034439968. Its totient is φ = 1992107520.

The previous prime is 6886886873. The next prime is 6886886887.

6886886886 is nontrivially palindromic in base 10.

It is a super-3 number, since 3×6886886886³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6886886887) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 379410 + ... + 397146.

It is an arithmetic number, because the mean of its divisors is an integer number (177442083).

Almost surely, 2^6886886886 is an apocalyptic number.

6886886886 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 6886886886, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8517219984).

6886886886 is an abundant number, since it is smaller than the sum of its proper divisors (10147553082).

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

6886886886 is a wasteful number, since it uses less digits than its factorization.

6886886886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17846 (or 17843 counting only the distinct ones).

The product of its digits is 339738624, while the sum is 72.

The square root of 6886886886 is about 82987.2694212793. The cubic root of 6886886886 is about 1902.5714845392.

The spelling of 6886886886 in words is "six billion, eight hundred eighty-six million, eight hundred eighty-six thousand, eight hundred eighty-six".