802639304804 has 12 divisors (see below), whose sum is σ = 1404692576700. Its totient is φ = 401298568608.

The previous prime is 802639304791. The next prime is 802639304821. The reversal of 802639304804 is 408403936208.

It can be written as a sum of positive squares in 2 ways, for example, as 529695751204 + 272943553600 = 727802^2 + 522440^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5185139 + ... + 5337690.

It is an arithmetic number, because the mean of its divisors is an integer number (117057714725).

Almost surely, 2^802639304804 is an apocalyptic number.

It is an amenable number.

802639304804 is a deficient number, since it is larger than the sum of its proper divisors (602053271896).

802639304804 is a wasteful number, since it uses less digits than its factorization.

802639304804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10541902 (or 10541900 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 47.

The spelling of 802639304804 in words is "eight hundred two billion, six hundred thirty-nine million, three hundred four thousand, eight hundred four".