85856852 has 6 divisors (see below), whose sum is σ = 150249498. Its totient is φ = 42928424.

The previous prime is 85856843. The next prime is 85856857. The reversal of 85856852 is 25865858.

It can be written as a sum of positive squares in only one way, i.e., 82337476 + 3519376 = 9074^2 + 1876^2 .

It is a junction number, because it is equal to n+sod(n) for n = 85856797 and 85856806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85856857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10732103 + ... + 10732110.

It is an arithmetic number, because the mean of its divisors is an integer number (25041583).

Almost surely, 2^85856852 is an apocalyptic number.

It is an amenable number.

85856852 is a deficient number, since it is larger than the sum of its proper divisors (64392646).

85856852 is a wasteful number, since it uses less digits than its factorization.

85856852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21464217 (or 21464215 counting only the distinct ones).

The product of its digits is 768000, while the sum is 47.

The square root of 85856852 is about 9265.8972582260. The cubic root of 85856852 is about 441.1554548163.

The spelling of 85856852 in words is "eighty-five million, eight hundred fifty-six thousand, eight hundred fifty-two".