6868824804 has 36 divisors (see below), whose sum is σ = 17690468796. Its totient is φ = 2246407488.

The previous prime is 6868824803. The next prime is 6868824821. The reversal of 6868824804 is 4084288686.

6868824804 is a `hidden beast` number, since 6 + 86 + 8 + 82 + 480 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2597940900 + 4270883904 = 50970^2 + 65352^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (6868824803) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1798099 + ... + 1801914.

It is an arithmetic number, because the mean of its divisors is an integer number (491401911).

Almost surely, 2^6868824804 is an apocalyptic number.

It is an amenable number.

6868824804 is an abundant number, since it is smaller than the sum of its proper divisors (10821643992).

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

6868824804 is a wasteful number, since it uses less digits than its factorization.

6868824804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3600076 (or 3600071 counting only the distinct ones).

The product of its (nonzero) digits is 4718592, while the sum is 54.

The square root of 6868824804 is about 82878.3735602962. The cubic root of 6868824804 is about 1900.9067513136.

The spelling of 6868824804 in words is "six billion, eight hundred sixty-eight million, eight hundred twenty-four thousand, eight hundred four".