8685049579 has 4 divisors (see below), whose sum is σ = 8694031984. Its totient is φ = 8676067176.

The previous prime is 8685049577. The next prime is 8685049589. The reversal of 8685049579 is 9759405868.

8685049579 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 8685049579 - 2¹ = 8685049577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8685049577) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4489752 + ... + 4491685.

It is an arithmetic number, because the mean of its divisors is an integer number (2173507996).

Almost surely, 2^8685049579 is an apocalyptic number.

8685049579 is a deficient number, since it is larger than the sum of its proper divisors (8982405).

8685049579 is an equidigital number, since it uses as much as digits as its factorization.

8685049579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8982404.

The product of its (nonzero) digits is 21772800, while the sum is 61.

The square root of 8685049579 is about 93193.6134024215. The cubic root of 8685049579 is about 2055.5313302982.

The spelling of 8685049579 in words is "eight billion, six hundred eighty-five million, forty-nine thousand, five hundred seventy-nine".