852444851 has 4 divisors (see below), whose sum is σ = 879943104. Its totient is φ = 824946600.

The previous prime is 852444847. The next prime is 852444881. The reversal of 852444851 is 158444258.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 852444851 - 2² = 852444847 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 852444799 and 852444808.

It is not an unprimeable number, because it can be changed into a prime (852444841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13749080 + ... + 13749141.

It is an arithmetic number, because the mean of its divisors is an integer number (219985776).

Almost surely, 2^852444851 is an apocalyptic number.

852444851 is a deficient number, since it is larger than the sum of its proper divisors (27498253).

852444851 is a wasteful number, since it uses less digits than its factorization.

852444851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27498252.

The product of its digits is 204800, while the sum is 41.

The square root of 852444851 is about 29196.6582163096. The cubic root of 852444851 is about 948.1755755411.

The spelling of 852444851 in words is "eight hundred fifty-two million, four hundred forty-four thousand, eight hundred fifty-one".