8686812670 has 16 divisors (see below), whose sum is σ = 15726648960. Its totient is φ = 3454639264.

The previous prime is 8686812623. The next prime is 8686812671. The reversal of 8686812670 is 762186868.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8686812671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2508910 + ... + 2512369.

It is an arithmetic number, because the mean of its divisors is an integer number (982915560).

Almost surely, 2^8686812670 is an apocalyptic number.

8686812670 is a deficient number, since it is larger than the sum of its proper divisors (7039836290).

8686812670 is a wasteful number, since it uses less digits than its factorization.

8686812670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5021459.

The product of its (nonzero) digits is 1548288, while the sum is 52.

The square root of 8686812670 is about 93203.0722133128. The cubic root of 8686812670 is about 2055.6704138866.

The spelling of 8686812670 in words is "eight billion, six hundred eighty-six million, eight hundred twelve thousand, six hundred seventy".