6828121376 has 24 divisors (see below), whose sum is σ = 13663242684. Its totient is φ = 3358091520.

The previous prime is 6828121367. The next prime is 6828121441. The reversal of 6828121376 is 6731218286.

It can be written as a sum of positive squares in 2 ways, for example, as 4032250000 + 2795871376 = 63500^2 + 52876^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1747055 + ... + 1750958.

Almost surely, 2^6828121376 is an apocalyptic number.

It is an amenable number.

6828121376 is an abundant number, since it is smaller than the sum of its proper divisors (6835121308).

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

6828121376 is a wasteful number, since it uses less digits than its factorization.

6828121376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3498084 (or 3498076 counting only the distinct ones).

The product of its digits is 193536, while the sum is 44.

The square root of 6828121376 is about 82632.4474767630. The cubic root of 6828121376 is about 1897.1444988114.

The spelling of 6828121376 in words is "six billion, eight hundred twenty-eight million, one hundred twenty-one thousand, three hundred seventy-six".