6828885421 has 16 divisors (see below), whose sum is σ = 7136458560. Its totient is φ = 6529057920.

The previous prime is 6828885419. The next prime is 6828885467. The reversal of 6828885421 is 1245888286.

It is a cyclic number.

It is not a de Polignac number, because 6828885421 - 2¹ = 6828885419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6828885221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 534850 + ... + 547468.

It is an arithmetic number, because the mean of its divisors is an integer number (446028660).

Almost surely, 2^6828885421 is an apocalyptic number.

It is an amenable number.

6828885421 is a deficient number, since it is larger than the sum of its proper divisors (307573139).

6828885421 is a wasteful number, since it uses less digits than its factorization.

6828885421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12924.

The product of its digits is 1966080, while the sum is 52.

The square root of 6828885421 is about 82637.0705010772. The cubic root of 6828885421 is about 1897.2152576447.

The spelling of 6828885421 in words is "six billion, eight hundred twenty-eight million, eight hundred eighty-five thousand, four hundred twenty-one".