85043872 has 24 divisors (see below), whose sum is σ = 167784372. Its totient is φ = 42432000.

The previous prime is 85043851. The next prime is 85043873. The reversal of 85043872 is 27834058.

It can be written as a sum of positive squares in 2 ways, for example, as 65999376 + 19044496 = 8124^2 + 4364^2 .

It is not an unprimeable number, because it can be changed into a prime (85043873) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14122 + ... + 19222.

Almost surely, 2^85043872 is an apocalyptic number.

It is an amenable number.

85043872 is a deficient number, since it is larger than the sum of its proper divisors (82740500).

85043872 is a wasteful number, since it uses less digits than its factorization.

85043872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5632 (or 5624 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 85043872 is about 9221.9234436206. The cubic root of 85043872 is about 439.7586003662.

The spelling of 85043872 in words is "eighty-five million, forty-three thousand, eight hundred seventy-two".