808545853 has 4 divisors (see below), whose sum is σ = 822250080. Its totient is φ = 794841628.

The previous prime is 808545851. The next prime is 808545869. The reversal of 808545853 is 358545808.

808545853 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 808545853 - 2¹ = 808545851 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (808545851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6852025 + ... + 6852142.

It is an arithmetic number, because the mean of its divisors is an integer number (205562520).

Almost surely, 2^808545853 is an apocalyptic number.

It is an amenable number.

808545853 is a deficient number, since it is larger than the sum of its proper divisors (13704227).

808545853 is a wasteful number, since it uses less digits than its factorization.

808545853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13704226.

The product of its (nonzero) digits is 768000, while the sum is 46.

The square root of 808545853 is about 28434.9407068135. The cubic root of 808545853 is about 931.6115938372.

The spelling of 808545853 in words is "eight hundred eight million, five hundred forty-five thousand, eight hundred fifty-three".