85385859 has 8 divisors (see below), whose sum is σ = 122605392. Its totient is φ = 52545120.

The previous prime is 85385801. The next prime is 85385891. The reversal of 85385859 is 95858358.

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

It is not a de Polignac number, because 85385859 - 2⁷ = 85385731 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85381859) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1094652 + ... + 1094729.

It is an arithmetic number, because the mean of its divisors is an integer number (15325674).

Almost surely, 2^85385859 is an apocalyptic number.

85385859 is a deficient number, since it is larger than the sum of its proper divisors (37219533).

85385859 is a wasteful number, since it uses less digits than its factorization.

85385859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2189397.

The product of its digits is 1728000, while the sum is 51.

The square root of 85385859 is about 9240.4469047768. The cubic root of 85385859 is about 440.3472792052.

The spelling of 85385859 in words is "eighty-five million, three hundred eighty-five thousand, eight hundred fifty-nine".