6883865856 has 216 divisors, whose sum is σ = 22766889600. Its totient is φ = 1959579648.

The previous prime is 6883865839. The next prime is 6883865881. The reversal of 6883865856 is 6585683886.

It is a super-3 number, since 3×6883865856³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 6883865793 and 6883865802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5628061 + ... + 5629283.

Almost surely, 2^6883865856 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 6883865856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11383444800).

6883865856 is an abundant number, since it is smaller than the sum of its proper divisors (15883023744).

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

6883865856 is a wasteful number, since it uses less digits than its factorization.

6883865856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1601 (or 1584 counting only the distinct ones).

The product of its digits is 66355200, while the sum is 63.

The square root of 6883865856 is about 82969.0656570267. The cubic root of 6883865856 is about 1902.2932472518.

The spelling of 6883865856 in words is "six billion, eight hundred eighty-three million, eight hundred sixty-five thousand, eight hundred fifty-six".