853442874 has 96 divisors (see below), whose sum is σ = 2074887360. Its totient is φ = 251942400.

The previous prime is 853442869. The next prime is 853442911. The reversal of 853442874 is 478244358.

It is a happy number.

853442874 is a `hidden beast` number, since 8 + 534 + 42 + 8 + 74 = 666.

853442874 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1051929 + ... + 1052739.

It is an arithmetic number, because the mean of its divisors is an integer number (21613410).

Almost surely, 2^853442874 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 853442874, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1037443680).

853442874 is an abundant number, since it is smaller than the sum of its proper divisors (1221444486).

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

853442874 is a wasteful number, since it uses less digits than its factorization.

853442874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1036 (or 1033 counting only the distinct ones).

The product of its digits is 860160, while the sum is 45.

The square root of 853442874 is about 29213.7446076329. The cubic root of 853442874 is about 948.5454653425.

The spelling of 853442874 in words is "eight hundred fifty-three million, four hundred forty-two thousand, eight hundred seventy-four".