85825827 has 12 divisors (see below), whose sum is σ = 124051824. Its totient is φ = 57179760.

The previous prime is 85825823. The next prime is 85825867. The reversal of 85825827 is 72852858.

It is not a de Polignac number, because 85825827 - 2² = 85825823 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85825823) 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 11 ways as a sum of consecutive naturals, for example, 22177 + ... + 25757.

It is an arithmetic number, because the mean of its divisors is an integer number (10337652).

Almost surely, 2^85825827 is an apocalyptic number.

85825827 is a deficient number, since it is larger than the sum of its proper divisors (38225997).

85825827 is a wasteful number, since it uses less digits than its factorization.

85825827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6250 (or 6247 counting only the distinct ones).

The product of its digits is 358400, while the sum is 45.

The square root of 85825827 is about 9264.2229571616. Note that the first 3 decimals coincide. The cubic root of 85825827 is about 441.1023101667.

The spelling of 85825827 in words is "eighty-five million, eight hundred twenty-five thousand, eight hundred twenty-seven".