6884864220 has 96 divisors (see below), whose sum is σ = 21023493120. Its totient is φ = 1673268480.

The previous prime is 6884864201. The next prime is 6884864227. The reversal of 6884864220 is 224684886.

It is a self number, because there is not a number n which added to its sum of digits gives 6884864220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6884864227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5755 + ... + 117485.

It is an arithmetic number, because the mean of its divisors is an integer number (218994720).

Almost surely, 2^6884864220 is an apocalyptic number.

6884864220 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6884864220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10511746560).

6884864220 is an abundant number, since it is smaller than the sum of its proper divisors (14138628900).

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

6884864220 is a wasteful number, since it uses less digits than its factorization.

6884864220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111835 (or 111833 counting only the distinct ones).

The product of its (nonzero) digits is 1179648, while the sum is 48.

The square root of 6884864220 is about 82975.0819222253. The cubic root of 6884864220 is about 1902.3852057206.

The spelling of 6884864220 in words is "six billion, eight hundred eighty-four million, eight hundred sixty-four thousand, two hundred twenty".