852495785 has 8 divisors (see below), whose sum is σ = 1023520200. Its totient is φ = 681646464.

The previous prime is 852495751. The next prime is 852495797. The reversal of 852495785 is 587594258.

It can be written as a sum of positive squares in 4 ways, for example, as 9406489 + 843089296 = 3067^2 + 29036^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 852495785 - 2²² = 848301481 is a prime.

It is a Curzon 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 7 ways as a sum of consecutive naturals, for example, 32810 + ... + 52739.

It is an arithmetic number, because the mean of its divisors is an integer number (127940025).

Almost surely, 2^852495785 is an apocalyptic number.

It is an amenable number.

852495785 is a deficient number, since it is larger than the sum of its proper divisors (171024415).

852495785 is a wasteful number, since it uses less digits than its factorization.

852495785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87547.

The product of its digits is 4032000, while the sum is 53.

The square root of 852495785 is about 29197.5304606400. The cubic root of 852495785 is about 948.1944598176.

The spelling of 852495785 in words is "eight hundred fifty-two million, four hundred ninety-five thousand, seven hundred eighty-five".