6789891976 has 48 divisors (see below), whose sum is σ = 14842105740. Its totient is φ = 2903564160.

The previous prime is 6789891971. The next prime is 6789892007. The reversal of 6789891976 is 6791989876.

It can be written as a sum of positive squares in 2 ways, for example, as 6500551876 + 289340100 = 80626^2 + 17010^2 .

It is a super-2 number, since 2×6789891976² = 92205266091498369152, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6789891971) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 161926 + ... + 199498.

Almost surely, 2^6789891976 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 6789891976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7421052870).

6789891976 is an abundant number, since it is smaller than the sum of its proper divisors (8052213764).

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

6789891976 is a wasteful number, since it uses less digits than its factorization.

6789891976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38054 (or 38043 counting only the distinct ones).

The product of its digits is 82301184, while the sum is 70.

The square root of 6789891976 is about 82400.8008213512. The cubic root of 6789891976 is about 1893.5972823784.

The spelling of 6789891976 in words is "six billion, seven hundred eighty-nine million, eight hundred ninety-one thousand, nine hundred seventy-six".