853923853853 has 16 divisors (see below), whose sum is σ = 988884610560. Its totient is φ = 722217600000.

The previous prime is 853923853841. The next prime is 853923853877. The reversal of 853923853853 is 358358329358.

It is a cyclic number.

It is not a de Polignac number, because 853923853853 - 2¹⁴ = 853923837469 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (853923253853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 403103 + ... + 1367603.

It is an arithmetic number, because the mean of its divisors is an integer number (61805288160).

Almost surely, 2^853923853853 is an apocalyptic number.

It is an amenable number.

853923853853 is a deficient number, since it is larger than the sum of its proper divisors (134960756707).

853923853853 is a wasteful number, since it uses less digits than its factorization.

853923853853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 966188.

The product of its digits is 93312000, while the sum is 62.

The spelling of 853923853853 in words is "eight hundred fifty-three billion, nine hundred twenty-three million, eight hundred fifty-three thousand, eight hundred fifty-three".