853940085559 has 12 divisors (see below), whose sum is σ = 938692876408. Its totient is φ = 776255808240.

The previous prime is 853940085547. The next prime is 853940085643. The reversal of 853940085559 is 955580049358.

It is not a de Polignac number, because 853940085559 - 2¹⁹ = 853939561271 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 853940085497 and 853940085506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (853940085539) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1581532 + ... + 2051614.

Almost surely, 2^853940085559 is an apocalyptic number.

853940085559 is a deficient number, since it is larger than the sum of its proper divisors (84752790849).

853940085559 is a wasteful number, since it uses less digits than its factorization.

853940085559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485118 (or 485107 counting only the distinct ones).

The product of its (nonzero) digits is 38880000, while the sum is 61.

The spelling of 853940085559 in words is "eight hundred fifty-three billion, nine hundred forty million, eighty-five thousand, five hundred fifty-nine".