2852785817 has 4 divisors (see below), whose sum is σ = 3260326656. Its totient is φ = 2445244980.

The previous prime is 2852785777. The next prime is 2852785843. The reversal of 2852785817 is 7185872582.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2852785817 - 2⁶ = 2852785753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2852785847) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 203770409 + ... + 203770422.

It is an arithmetic number, because the mean of its divisors is an integer number (815081664).

Almost surely, 2^2852785817 is an apocalyptic number.

It is an amenable number.

2852785817 is a deficient number, since it is larger than the sum of its proper divisors (407540839).

2852785817 is an equidigital number, since it uses as much as digits as its factorization.

2852785817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407540838.

The product of its digits is 2508800, while the sum is 53.

The square root of 2852785817 is about 53411.4764540356. The cubic root of 2852785817 is about 1418.2617454439.

The spelling of 2852785817 in words is "two billion, eight hundred fifty-two million, seven hundred eighty-five thousand, eight hundred seventeen".