803563873 has 16 divisors (see below), whose sum is σ = 929483776. Its totient is φ = 680458320.

The previous prime is 803563867. The next prime is 803563877. The reversal of 803563873 is 378365308.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-803563873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (803563877) 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 15 ways as a sum of consecutive naturals, for example, 376018 + ... + 378148.

It is an arithmetic number, because the mean of its divisors is an integer number (58092736).

Almost surely, 2^803563873 is an apocalyptic number.

It is an amenable number.

803563873 is a deficient number, since it is larger than the sum of its proper divisors (125919903).

803563873 is a wasteful number, since it uses less digits than its factorization.

803563873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2764.

The product of its (nonzero) digits is 362880, while the sum is 43.

The square root of 803563873 is about 28347.2022076254. The cubic root of 803563873 is about 929.6942275302.

The spelling of 803563873 in words is "eight hundred three million, five hundred sixty-three thousand, eight hundred seventy-three".