8509904873 has 8 divisors (see below), whose sum is σ = 8772163200. Its totient is φ = 8249344560.

The previous prime is 8509904867. The next prime is 8509904881. The reversal of 8509904873 is 3784099058.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8509904873 - 2²⁶ = 8442796009 is a prime.

It is a super-2 number, since 2×8509904873² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8509900873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 414323 + ... + 434376.

It is an arithmetic number, because the mean of its divisors is an integer number (1096520400).

Almost surely, 2^8509904873 is an apocalyptic number.

It is an amenable number.

8509904873 is a deficient number, since it is larger than the sum of its proper divisors (262258327).

8509904873 is a wasteful number, since it uses less digits than its factorization.

8509904873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 849007.

The product of its (nonzero) digits is 2177280, while the sum is 53.

The square root of 8509904873 is about 92249.1456491604. The cubic root of 8509904873 is about 2041.6199545305.

The spelling of 8509904873 in words is "eight billion, five hundred nine million, nine hundred four thousand, eight hundred seventy-three".