8709686007960 has 384 divisors, whose sum is σ = 31491466813440. Its totient is φ = 1919446502400.

The previous prime is 8709686007943. The next prime is 8709686007989. The reversal of 8709686007960 is 697006869078.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 8709686007891 and 8709686007900.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 49309722 + ... + 49486038.

It is an arithmetic number, because the mean of its divisors is an integer number (82009028160).

Almost surely, 2^{8709686007960} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8709686007960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15745733406720).

8709686007960 is an abundant number, since it is smaller than the sum of its proper divisors (22781780805480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8709686007960 is a wasteful number, since it uses less digits than its factorization.

8709686007960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176647 (or 176636 counting only the distinct ones).

The product of its (nonzero) digits is 54867456, while the sum is 66.

The spelling of 8709686007960 in words is "eight trillion, seven hundred nine billion, six hundred eighty-six million, seven thousand, nine hundred sixty".