6821876832 has 24 divisors (see below), whose sum is σ = 17907426936. Its totient is φ = 2273958912.

The previous prime is 6821876759. The next prime is 6821876837. The reversal of 6821876832 is 2386781286.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6821876837) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35530513 + ... + 35530704.

It is an arithmetic number, because the mean of its divisors is an integer number (746142789).

Almost surely, 2^6821876832 is an apocalyptic number.

It is an amenable number.

6821876832 is an abundant number, since it is smaller than the sum of its proper divisors (11085550104).

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

6821876832 is a wasteful number, since it uses less digits than its factorization.

6821876832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71061230 (or 71061222 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 51.

The square root of 6821876832 is about 82594.6537737159. The cubic root of 6821876832 is about 1896.5659885149.

The spelling of 6821876832 in words is "six billion, eight hundred twenty-one million, eight hundred seventy-six thousand, eight hundred thirty-two".