85884785 has 16 divisors (see below), whose sum is σ = 118183296. Its totient is φ = 58693248.

The previous prime is 85884749. The next prime is 85884793. The reversal of 85884785 is 58748858.

It is a cyclic number.

It is not a de Polignac number, because 85884785 - 2²⁶ = 18775921 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6749 + ... + 14741.

It is an arithmetic number, because the mean of its divisors is an integer number (7386456).

Almost surely, 2^85884785 is an apocalyptic number.

It is an amenable number.

85884785 is a deficient number, since it is larger than the sum of its proper divisors (32298511).

85884785 is a wasteful number, since it uses less digits than its factorization.

85884785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8312.

The product of its digits is 2867200, while the sum is 53.

The square root of 85884785 is about 9267.4044370579. The cubic root of 85884785 is about 441.2032920356.

The spelling of 85884785 in words is "eighty-five million, eight hundred eighty-four thousand, seven hundred eighty-five".