8709017587980 has 48 divisors (see below), whose sum is σ = 24385488529920. Its totient is φ = 2322381901248.

The previous prime is 8709017587943. The next prime is 8709017588009. The reversal of 8709017587980 is 897857109078.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5971827 + ... + 7285653.

It is an arithmetic number, because the mean of its divisors is an integer number (508031011040).

Almost surely, 2^{8709017587980} is an apocalyptic number.

It is an amenable number.

8709017587980 is an abundant number, since it is smaller than the sum of its proper divisors (15676470941940).

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

8709017587980 is a wasteful number, since it uses less digits than its factorization.

8709017587980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1424318 (or 1424316 counting only the distinct ones).

The product of its (nonzero) digits is 71124480, while the sum is 69.

The spelling of 8709017587980 in words is "eight trillion, seven hundred nine billion, seventeen million, five hundred eighty-seven thousand, nine hundred eighty".