85827867 has 4 divisors (see below), whose sum is σ = 114437160. Its totient is φ = 57218576.

The previous prime is 85827821. The next prime is 85827877. The reversal of 85827867 is 76872858.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 85827867 - 2¹⁰ = 85826843 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85827817) 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, 14304642 + ... + 14304647.

It is an arithmetic number, because the mean of its divisors is an integer number (28609290).

Almost surely, 2^85827867 is an apocalyptic number.

85827867 is a deficient number, since it is larger than the sum of its proper divisors (28609293).

85827867 is a wasteful number, since it uses less digits than its factorization.

85827867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28609292.

The product of its digits is 1505280, while the sum is 51.

The square root of 85827867 is about 9264.3330574845. Note that the first 3 decimals coincide. The cubic root of 85827867 is about 441.1058050028.

The spelling of 85827867 in words is "eighty-five million, eight hundred twenty-seven thousand, eight hundred sixty-seven".