853116774 has 32 divisors (see below), whose sum is σ = 1721212416. Its totient is φ = 281887200.

The previous prime is 853116773. The next prime is 853116791. The reversal of 853116774 is 477611358.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (853116773) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 361699 + ... + 364049.

It is an arithmetic number, because the mean of its divisors is an integer number (53787888).

Almost surely, 2^853116774 is an apocalyptic number.

853116774 is an abundant number, since it is smaller than the sum of its proper divisors (868095642).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

853116774 is a wasteful number, since it uses less digits than its factorization.

853116774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2860.

The product of its digits is 141120, while the sum is 42.

The square root of 853116774 is about 29208.1627974099. The cubic root of 853116774 is about 948.4246370710.

The spelling of 853116774 in words is "eight hundred fifty-three million, one hundred sixteen thousand, seven hundred seventy-four".