852547860 has 144 divisors (see below), whose sum is σ = 2748345600. Its totient is φ = 213311232.

The previous prime is 852547853. The next prime is 852547873. The reversal of 852547860 is 68745258.

852547860 is a `hidden beast` number, since 8 + 525 + 47 + 86 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 371637 + ... + 373923.

Almost surely, 2^852547860 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 852547860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1374172800).

852547860 is an abundant number, since it is smaller than the sum of its proper divisors (1895797740).

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

852547860 is a wasteful number, since it uses less digits than its factorization.

852547860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2430 (or 2425 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 45.

The square root of 852547860 is about 29198.4222176473. The cubic root of 852547860 is about 948.2137663534.

The spelling of 852547860 in words is "eight hundred fifty-two million, five hundred forty-seven thousand, eight hundred sixty".