6886686800 has 120 divisors (see below), whose sum is σ = 19904232000. Its totient is φ = 2236861440.

The previous prime is 6886686799. The next prime is 6886686809. The reversal of 6886686800 is 86866886.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6886686809) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 11525 + ... + 117924.

It is an arithmetic number, because the mean of its divisors is an integer number (165868600).

Almost surely, 2^6886686800 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 6886686800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9952116000).

6886686800 is an abundant number, since it is smaller than the sum of its proper divisors (13017545200).

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

6886686800 is a wasteful number, since it uses less digits than its factorization.

6886686800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129493 (or 129482 counting only the distinct ones).

The product of its (nonzero) digits is 5308416, while the sum is 56.

The square root of 6886686800 is about 82986.0638902702. The cubic root of 6886686800 is about 1902.5530591069.

The spelling of 6886686800 in words is "six billion, eight hundred eighty-six million, six hundred eighty-six thousand, eight hundred".