85845837 has 16 divisors (see below), whose sum is σ = 142705152. Its totient is φ = 44595120.

The previous prime is 85845817. The next prime is 85845839. The reversal of 85845837 is 73854858.

It is not a de Polignac number, because 85845837 - 2⁸ = 85845581 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85845839) 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, 185583 + ... + 186044.

It is an arithmetic number, because the mean of its divisors is an integer number (8919072).

Almost surely, 2^85845837 is an apocalyptic number.

It is an amenable number.

85845837 is a deficient number, since it is larger than the sum of its proper divisors (56859315).

85845837 is a wasteful number, since it uses less digits than its factorization.

85845837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371648.

The product of its digits is 1075200, while the sum is 48.

The square root of 85845837 is about 9265.3028552768. The cubic root of 85845837 is about 441.1365880046.

The spelling of 85845837 in words is "eighty-five million, eight hundred forty-five thousand, eight hundred thirty-seven".