85675685 has 8 divisors (see below), whose sum is σ = 103466616. Its totient is φ = 68103360.

The previous prime is 85675643. The next prime is 85675687. The reversal of 85675685 is 58657658.

It can be written as a sum of positive squares in 4 ways, for example, as 20921476 + 64754209 = 4574^2 + 8047^2 .

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

It is not a de Polignac number, because 85675685 - 2¹⁰ = 85674661 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 (85675687) 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, 53786 + ... + 55355.

It is an arithmetic number, because the mean of its divisors is an integer number (12933327).

Almost surely, 2^85675685 is an apocalyptic number.

It is an amenable number.

85675685 is a deficient number, since it is larger than the sum of its proper divisors (17790931).

85675685 is a wasteful number, since it uses less digits than its factorization.

85675685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109303.

The product of its digits is 2016000, while the sum is 50.

The square root of 85675685 is about 9256.1160861346. The cubic root of 85675685 is about 440.8449414847.

The spelling of 85675685 in words is "eighty-five million, six hundred seventy-five thousand, six hundred eighty-five".