85853487 has 16 divisors (see below), whose sum is σ = 117079040. Its totient is φ = 55946592.

The previous prime is 85853479. The next prime is 85853491. The reversal of 85853487 is 78435858.

It is not a de Polignac number, because 85853487 - 2³ = 85853479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85853407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22653 + ... + 26169.

It is an arithmetic number, because the mean of its divisors is an integer number (7317440).

Almost surely, 2^85853487 is an apocalyptic number.

85853487 is a deficient number, since it is larger than the sum of its proper divisors (31225553).

85853487 is a wasteful number, since it uses less digits than its factorization.

85853487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3702.

The product of its digits is 1075200, while the sum is 48.

The square root of 85853487 is about 9265.7156766221. The cubic root of 85853487 is about 441.1496913178.

It can be divided in two parts, 858 and 53487, that added together give a palindrome (54345).

The spelling of 85853487 in words is "eighty-five million, eight hundred fifty-three thousand, four hundred eighty-seven".