85867944 has 32 divisors (see below), whose sum is σ = 217392000. Its totient is φ = 28259712.

The previous prime is 85867939. The next prime is 85867963. The reversal of 85867944 is 44976858.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20749 + ... + 24540.

It is an arithmetic number, because the mean of its divisors is an integer number (6793500).

Almost surely, 2^85867944 is an apocalyptic number.

It is an amenable number.

85867944 is an abundant number, since it is smaller than the sum of its proper divisors (131524056).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85867944 is a wasteful number, since it uses less digits than its factorization.

85867944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45377 (or 45373 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 51.

The square root of 85867944 is about 9266.4957778008. The cubic root of 85867944 is about 441.1744518851.

The spelling of 85867944 in words is "eighty-five million, eight hundred sixty-seven thousand, nine hundred forty-four".