6888173220 has 144 divisors (see below), whose sum is σ = 22157815680. Its totient is φ = 1726092288.

The previous prime is 6888173209. The next prime is 6888173233. The reversal of 6888173220 is 223718886.

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 2565999 + ... + 2568681.

It is an arithmetic number, because the mean of its divisors is an integer number (153873720).

Almost surely, 2^6888173220 is an apocalyptic number.

6888173220 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 6888173220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11078907840).

6888173220 is an abundant number, since it is smaller than the sum of its proper divisors (15269642460).

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

6888173220 is a wasteful number, since it uses less digits than its factorization.

6888173220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3554 (or 3549 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The square root of 6888173220 is about 82995.0192481452. The cubic root of 6888173220 is about 1902.6899313823.

The spelling of 6888173220 in words is "six billion, eight hundred eighty-eight million, one hundred seventy-three thousand, two hundred twenty".