873365601824 has 24 divisors (see below), whose sum is σ = 1720740230748. Its totient is φ = 436352209920.

The previous prime is 873365601811. The next prime is 873365601853. The reversal of 873365601824 is 428106563378.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 871870387600 + 1495214224 = 933740^2 + 38668^2 .

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, 10288037 + ... + 10372580.

Almost surely, 2^873365601824 is an apocalyptic number.

It is an amenable number.

873365601824 is a deficient number, since it is larger than the sum of its proper divisors (847374628924).

873365601824 is a wasteful number, since it uses less digits than its factorization.

873365601824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20661948 (or 20661940 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 53.

The spelling of 873365601824 in words is "eight hundred seventy-three billion, three hundred sixty-five million, six hundred one thousand, eight hundred twenty-four".