853770169 has 12 divisors (see below), whose sum is σ = 994194000. Its totient is φ = 731042088.

The previous prime is 853770161. The next prime is 853770293. The reversal of 853770169 is 961077358.

It is not a de Polignac number, because 853770169 - 2³ = 853770161 is a prime.

It is a super-2 number, since 2×853770169² = 1457847002948577122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (853770161) 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, 41382 + ... + 58480.

It is an arithmetic number, because the mean of its divisors is an integer number (82849500).

Almost surely, 2^853770169 is an apocalyptic number.

It is an amenable number.

853770169 is a deficient number, since it is larger than the sum of its proper divisors (140423831).

853770169 is a wasteful number, since it uses less digits than its factorization.

853770169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18132 (or 18125 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 46.

The square root of 853770169 is about 29219.3458003426. The cubic root of 853770169 is about 948.6667054472. Note that the first 3 decimals are identical.

The spelling of 853770169 in words is "eight hundred fifty-three million, seven hundred seventy thousand, one hundred sixty-nine".