8507805853 has 4 divisors (see below), whose sum is σ = 8511427008. Its totient is φ = 8504184700.

The previous prime is 8507805833. The next prime is 8507805857. The reversal of 8507805853 is 3585087058.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8507805853 - 2¹⁷ = 8507674781 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8507805797 and 8507805806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8507805857) by changing a digit.

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, 1807051 + ... + 1811752.

It is an arithmetic number, because the mean of its divisors is an integer number (2127856752).

Almost surely, 2^8507805853 is an apocalyptic number.

It is an amenable number.

8507805853 is a deficient number, since it is larger than the sum of its proper divisors (3621155).

8507805853 is a wasteful number, since it uses less digits than its factorization.

8507805853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3621154.

The product of its (nonzero) digits is 1344000, while the sum is 49.

The square root of 8507805853 is about 92237.7680399954. The cubic root of 8507805853 is about 2041.4520813847.

The spelling of 8507805853 in words is "eight billion, five hundred seven million, eight hundred five thousand, eight hundred fifty-three".