85011785 has 16 divisors (see below), whose sum is σ = 103903104. Its totient is φ = 66759552.

The previous prime is 85011769. The next prime is 85011791. The reversal of 85011785 is 58711058.

It is a cyclic number.

It is not a de Polignac number, because 85011785 - 2⁴ = 85011769 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102884 + ... + 103706.

It is an arithmetic number, because the mean of its divisors is an integer number (6493944).

Almost surely, 2^85011785 is an apocalyptic number.

It is an amenable number.

85011785 is a deficient number, since it is larger than the sum of its proper divisors (18891319).

85011785 is a wasteful number, since it uses less digits than its factorization.

85011785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1184.

The product of its (nonzero) digits is 11200, while the sum is 35.

The square root of 85011785 is about 9220.1835665024. The cubic root of 85011785 is about 439.7032865268.

The spelling of 85011785 in words is "eighty-five million, eleven thousand, seven hundred eighty-five".