85823837 has 16 divisors (see below), whose sum is σ = 100507392. Its totient is φ = 72414720.

The previous prime is 85823821. The next prime is 85823873. The reversal of 85823837 is 73832858.

It is a cyclic number.

It is not a de Polignac number, because 85823837 - 2⁴ = 85823821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85823887) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10508 + ... + 16794.

It is an arithmetic number, because the mean of its divisors is an integer number (6281712).

Almost surely, 2^85823837 is an apocalyptic number.

It is an amenable number.

85823837 is a deficient number, since it is larger than the sum of its proper divisors (14683555).

85823837 is a wasteful number, since it uses less digits than its factorization.

85823837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6388.

The product of its digits is 322560, while the sum is 44.

The square root of 85823837 is about 9264.1155541152. The cubic root of 85823837 is about 441.0989009350.

The spelling of 85823837 in words is "eighty-five million, eight hundred twenty-three thousand, eight hundred thirty-seven".