852785043516 has 72 divisors (see below), whose sum is σ = 2516018319360. Its totient is φ = 238468762656.

The previous prime is 852785043511. The next prime is 852785043527. The reversal of 852785043516 is 615340587258.

852785043516 is a `hidden beast` number, since 8 + 5 + 2 + 7 + 85 + 0 + 43 + 516 = 666.

852785043516 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (852785043511) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35988876 + ... + 36012563.

It is an arithmetic number, because the mean of its divisors is an integer number (34944698880).

Almost surely, 2^852785043516 is an apocalyptic number.

It is an amenable number.

852785043516 is an abundant number, since it is smaller than the sum of its proper divisors (1663233275844).

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

852785043516 is a wasteful number, since it uses less digits than its factorization.

852785043516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72001503 (or 72001498 counting only the distinct ones).

The product of its (nonzero) digits is 8064000, while the sum is 54.

The spelling of 852785043516 in words is "eight hundred fifty-two billion, seven hundred eighty-five million, forty-three thousand, five hundred sixteen".