852867774 has 72 divisors (see below), whose sum is σ = 2065878360. Its totient is φ = 254026080.

The previous prime is 852867767. The next prime is 852867787. The reversal of 852867774 is 477768258.

It is a happy number.

It is a super-3 number, since 3×852867774³ (a number of 28 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 852867774.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 125184 + ... + 131820.

It is an arithmetic number, because the mean of its divisors is an integer number (28692755).

Almost surely, 2^852867774 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 852867774, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1032939180).

852867774 is an abundant number, since it is smaller than the sum of its proper divisors (1213010586).

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

852867774 is a wasteful number, since it uses less digits than its factorization.

852867774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6726 (or 6712 counting only the distinct ones).

The product of its digits is 5268480, while the sum is 54.

The square root of 852867774 is about 29203.8999792836. The cubic root of 852867774 is about 948.3323555603.

The spelling of 852867774 in words is "eight hundred fifty-two million, eight hundred sixty-seven thousand, seven hundred seventy-four".