852785530 has 8 divisors (see below), whose sum is σ = 1535013972. Its totient is φ = 341114208.

The previous prime is 852785459. The next prime is 852785537. The reversal of 852785530 is 35587258.

It can be written as a sum of positive squares in 2 ways, for example, as 827655361 + 25130169 = 28769^2 + 5013^2 .

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

It is not an unprimeable number, because it can be changed into a prime (852785537) 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, 42639267 + ... + 42639286.

Almost surely, 2^852785530 is an apocalyptic number.

852785530 is a deficient number, since it is larger than the sum of its proper divisors (682228442).

852785530 is a wasteful number, since it uses less digits than its factorization.

852785530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85278560.

The product of its (nonzero) digits is 336000, while the sum is 43.

The square root of 852785530 is about 29202.4918457312. The cubic root of 852785530 is about 948.3018712907.

The spelling of 852785530 in words is "eight hundred fifty-two million, seven hundred eighty-five thousand, five hundred thirty".