853116769 has 2 divisors, whose sum is σ = 853116770. Its totient is φ = 853116768.

The previous prime is 853116749. The next prime is 853116773. The reversal of 853116769 is 967611358.

It is a happy number.

853116769 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 837813025 + 15303744 = 28945^2 + 3912^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-853116769 is a prime.

It is a super-2 number, since 2×853116769² = 1455616443097998722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (853116749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 426558384 + 426558385.

It is an arithmetic number, because the mean of its divisors is an integer number (426558385).

Almost surely, 2^853116769 is an apocalyptic number.

It is an amenable number.

853116769 is a deficient number, since it is larger than the sum of its proper divisors (1).

853116769 is an equidigital number, since it uses as much as digits as its factorization.

853116769 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 272160, while the sum is 46.

The square root of 853116769 is about 29208.1627118174. The cubic root of 853116769 is about 948.4246352182.

The spelling of 853116769 in words is "eight hundred fifty-three million, one hundred sixteen thousand, seven hundred sixty-nine".