8107685 has 4 divisors (see below), whose sum is σ = 9729228. Its totient is φ = 6486144.

The previous prime is 8107679. The next prime is 8107717. The reversal of 8107685 is 5867018.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2163841 + 5943844 = 1471^2 + 2438^2 .

It is a cyclic number.

It is not a de Polignac number, because 8107685 - 2⁴ = 8107669 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 810764 + ... + 810773.

It is an arithmetic number, because the mean of its divisors is an integer number (2432307).

Almost surely, 2^8107685 is an apocalyptic number.

It is an amenable number.

8107685 is a deficient number, since it is larger than the sum of its proper divisors (1621543).

8107685 is a wasteful number, since it uses less digits than its factorization.

8107685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1621542.

The product of its (nonzero) digits is 13440, while the sum is 35.

The square root of 8107685 is about 2847.3996909461. The cubic root of 8107685 is about 200.8933784330.

The spelling of 8107685 in words is "eight million, one hundred seven thousand, six hundred eighty-five".