853923853852 has 24 divisors (see below), whose sum is σ = 1500915452400. Its totient is φ = 425091198336.

The previous prime is 853923853841. The next prime is 853923853877. The reversal of 853923853852 is 258358329358.

It is a happy number.

It is a super-3 number, since 3×853923853852³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12294799 + ... + 12364057.

It is an arithmetic number, because the mean of its divisors is an integer number (62538143850).

Almost surely, 2^853923853852 is an apocalyptic number.

It is an amenable number.

853923853852 is a deficient number, since it is larger than the sum of its proper divisors (646991598548).

853923853852 is a wasteful number, since it uses less digits than its factorization.

853923853852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82725 (or 82723 counting only the distinct ones).

The product of its digits is 62208000, while the sum is 61.

The spelling of 853923853852 in words is "eight hundred fifty-three billion, nine hundred twenty-three million, eight hundred fifty-three thousand, eight hundred fifty-two".