801568990984 has 32 divisors (see below), whose sum is σ = 1510357464000. Its totient is φ = 398811366720.

The previous prime is 801568990927. The next prime is 801568990987. The reversal of 801568990984 is 489099865108.

It is a Smith number, since the sum of its digits (67) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (801568990987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1198714 + ... + 1743574.

It is an arithmetic number, because the mean of its divisors is an integer number (47198670750).

Almost surely, 2^801568990984 is an apocalyptic number.

It is an amenable number.

801568990984 is a deficient number, since it is larger than the sum of its proper divisors (708788473016).

801568990984 is a wasteful number, since it uses less digits than its factorization.

801568990984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545773 (or 545769 counting only the distinct ones).

The product of its (nonzero) digits is 44789760, while the sum is 67.

The spelling of 801568990984 in words is "eight hundred one billion, five hundred sixty-eight million, nine hundred ninety thousand, nine hundred eighty-four".