8676720806 has 16 divisors (see below), whose sum is σ = 14026448688. Its totient is φ = 4001724000.

The previous prime is 8676720799. The next prime is 8676720839. The reversal of 8676720806 is 6080276768.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84920 + ... + 156731.

It is an arithmetic number, because the mean of its divisors is an integer number (876653043).

Almost surely, 2^8676720806 is an apocalyptic number.

8676720806 is a deficient number, since it is larger than the sum of its proper divisors (5349727882).

8676720806 is a wasteful number, since it uses less digits than its factorization.

8676720806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243047.

The product of its (nonzero) digits is 1354752, while the sum is 50.

The square root of 8676720806 is about 93148.9173635421. The cubic root of 8676720806 is about 2054.8740502526.

The spelling of 8676720806 in words is "eight billion, six hundred seventy-six million, seven hundred twenty thousand, eight hundred six".