6678812828 has 6 divisors (see below), whose sum is σ = 11687922456. Its totient is φ = 3339406412.

The previous prime is 6678812827. The next prime is 6678812837. The reversal of 6678812828 is 8282188766.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6678812827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 834851600 + ... + 834851607.

It is an arithmetic number, because the mean of its divisors is an integer number (1947987076).

Almost surely, 2^6678812828 is an apocalyptic number.

It is an amenable number.

6678812828 is a deficient number, since it is larger than the sum of its proper divisors (5009109628).

6678812828 is a wasteful number, since it uses less digits than its factorization.

6678812828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1669703211 (or 1669703209 counting only the distinct ones).

The product of its digits is 4128768, while the sum is 56.

The square root of 6678812828 is about 81724.0039890362. The cubic root of 6678812828 is about 1883.2143618549.

The spelling of 6678812828 in words is "six billion, six hundred seventy-eight million, eight hundred twelve thousand, eight hundred twenty-eight".