853555836 has 24 divisors (see below), whose sum is σ = 2276149120. Its totient is φ = 243873072.

The previous prime is 853555819. The next prime is 853555837. The reversal of 853555836 is 638555358.

853555836 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (853555837) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5080606 + ... + 5080773.

Almost surely, 2^853555836 is an apocalyptic number.

It is an amenable number.

853555836 is an abundant number, since it is smaller than the sum of its proper divisors (1422593284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

853555836 is a wasteful number, since it uses less digits than its factorization.

853555836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10161393 (or 10161391 counting only the distinct ones).

The product of its digits is 2160000, while the sum is 48.

The square root of 853555836 is about 29215.6779144349. The cubic root of 853555836 is about 948.5873134337.

The spelling of 853555836 in words is "eight hundred fifty-three million, five hundred fifty-five thousand, eight hundred thirty-six".