85845855 has 8 divisors (see below), whose sum is σ = 137353392. Its totient is φ = 45784448.

The previous prime is 85845847. The next prime is 85845871. The reversal of 85845855 is 55854858.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 85845855 - 2³ = 85845847 is a prime.

It is a congruent number.

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, 2861514 + ... + 2861543.

It is an arithmetic number, because the mean of its divisors is an integer number (17169174).

Almost surely, 2^85845855 is an apocalyptic number.

85845855 is a deficient number, since it is larger than the sum of its proper divisors (51507537).

85845855 is a wasteful number, since it uses less digits than its factorization.

85845855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5723065.

The product of its digits is 1280000, while the sum is 48.

The square root of 85845855 is about 9265.3038266427. The cubic root of 85845855 is about 441.1366188369.

The spelling of 85845855 in words is "eighty-five million, eight hundred forty-five thousand, eight hundred fifty-five".