85851063 has 32 divisors (see below), whose sum is σ = 137529600. Its totient is φ = 52744608.

The previous prime is 85851041. The next prime is 85851079. The reversal of 85851063 is 36015858.

85851063 is a `hidden beast` number, since 8 + 585 + 10 + 63 = 666.

It is not a de Polignac number, because 85851063 - 2⁹ = 85850551 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85851023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16720 + ... + 21242.

It is an arithmetic number, because the mean of its divisors is an integer number (4297800).

Almost surely, 2^85851063 is an apocalyptic number.

85851063 is a deficient number, since it is larger than the sum of its proper divisors (51678537).

85851063 is a wasteful number, since it uses less digits than its factorization.

85851063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4588 (or 4582 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 85851063 is about 9265.5848709080. The cubic root of 85851063 is about 441.1455394503.

The spelling of 85851063 in words is "eighty-five million, eight hundred fifty-one thousand, sixty-three".