6828869520 has 120 divisors (see below), whose sum is σ = 25018523712. Its totient is φ = 1655481600.

The previous prime is 6828869507. The next prime is 6828869527. The reversal of 6828869520 is 259688286.

It is a tau number, because it is divible by the number of its divisors (120).

It is not an unprimeable number, because it can be changed into a prime (6828869527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 423196 + ... + 439035.

Almost surely, 2^6828869520 is an apocalyptic number.

6828869520 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6828869520 is an abundant number, since it is smaller than the sum of its proper divisors (18189654192).

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

6828869520 is a wasteful number, since it uses less digits than its factorization.

6828869520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 862261 (or 862252 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 54.

The square root of 6828869520 is about 82636.9742911731. The cubic root of 6828869520 is about 1897.2137850939.

The spelling of 6828869520 in words is "six billion, eight hundred twenty-eight million, eight hundred sixty-nine thousand, five hundred twenty".