8680005 has 12 divisors (see below), whose sum is σ = 15045420. Its totient is φ = 4629312.

The previous prime is 8680003. The next prime is 8680027. The reversal of 8680005 is 5000868.

It can be written as a sum of positive squares in 2 ways, for example, as 3218436 + 5461569 = 1794^2 + 2337^2 .

It is not a de Polignac number, because 8680005 - 2¹ = 8680003 is a prime.

8680005 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8680003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 96400 + ... + 96489.

It is an arithmetic number, because the mean of its divisors is an integer number (1253785).

Almost surely, 2^8680005 is an apocalyptic number.

It is an amenable number.

8680005 is a deficient number, since it is larger than the sum of its proper divisors (6365415).

8680005 is a wasteful number, since it uses less digits than its factorization.

8680005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192900 (or 192897 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 8680005 is about 2946.1848210864. The cubic root of 8680005 is about 205.5133278514.

The spelling of 8680005 in words is "eight million, six hundred eighty thousand, five".