853533860 has 12 divisors (see below), whose sum is σ = 1792421148. Its totient is φ = 341413536.

The previous prime is 853533851. The next prime is 853533869. The reversal of 853533860 is 68335358.

It is an interprime number because it is at equal distance from previous prime (853533851) and next prime (853533869).

It can be written as a sum of positive squares in 2 ways, for example, as 612166564 + 241367296 = 24742^2 + 15536^2 .

It is not an unprimeable number, because it can be changed into a prime (853533869) 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 3 ways as a sum of consecutive naturals, for example, 21338327 + ... + 21338366.

It is an arithmetic number, because the mean of its divisors is an integer number (149368429).

Almost surely, 2^853533860 is an apocalyptic number.

It is an amenable number.

853533860 is an abundant number, since it is smaller than the sum of its proper divisors (938887288).

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

853533860 is a wasteful number, since it uses less digits than its factorization.

853533860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42676702 (or 42676700 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 41.

The square root of 853533860 is about 29215.3018125776. The cubic root of 853533860 is about 948.5791724573.

The spelling of 853533860 in words is "eight hundred fifty-three million, five hundred thirty-three thousand, eight hundred sixty".