85353685 has 8 divisors (see below), whose sum is σ = 108449496. Its totient is φ = 64266240.

The previous prime is 85353683. The next prime is 85353703. The reversal of 85353685 is 58635358.

It can be written as a sum of positive squares in 4 ways, for example, as 6036849 + 79316836 = 2457^2 + 8906^2 .

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

It is not a de Polignac number, because 85353685 - 2¹ = 85353683 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 (85353683) 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 7 ways as a sum of consecutive naturals, for example, 501996 + ... + 502165.

It is an arithmetic number, because the mean of its divisors is an integer number (13556187).

Almost surely, 2^85353685 is an apocalyptic number.

85353685 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

85353685 is a deficient number, since it is larger than the sum of its proper divisors (23095811).

85353685 is a wasteful number, since it uses less digits than its factorization.

85353685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1004183.

The product of its digits is 432000, while the sum is 43.

The square root of 85353685 is about 9238.7058076334. The cubic root of 85353685 is about 440.2919635928.

The spelling of 85353685 in words is "eighty-five million, three hundred fifty-three thousand, six hundred eighty-five".