6889000000 has 147 divisors (see below), whose sum is σ = 17296087201. Its totient is φ = 2722400000.

The previous prime is 6888999983. The next prime is 6889000003. The reversal of 6889000000 is 9886.

The square root of 6889000000 is 83000.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 3 ways, for example, as 6035425344 + 853574656 = 77688^2 + 29216^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6889000003) by changing a digit.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 82999959 + ... + 83000041.

Almost surely, 2^6889000000 is an apocalyptic number.

6889000000 is the 83000-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6889000000

6889000000 is an abundant number, since it is smaller than the sum of its proper divisors (10407087201).

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

6889000000 is an frugal number, since it uses more digits than its factorization.

6889000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208 (or 90 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 31.

The cubic root of 6889000000 is about 1902.7660542766.

Adding to 6889000000 its reverse (9886), we get a palindrome (6889009886).

The spelling of 6889000000 in words is "six billion, eight hundred eighty-nine million", and thus it is an aban number.