8507728080520 has 32 divisors (see below), whose sum is σ = 19154604268800. Its totient is φ = 3400919483328.

The previous prime is 8507728080497. The next prime is 8507728080547. The reversal of 8507728080520 is 250808277058.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67803690 + ... + 67929049.

It is an arithmetic number, because the mean of its divisors is an integer number (598581383400).

Almost surely, 2^{8507728080520} is an apocalyptic number.

It is an amenable number.

8507728080520 is an abundant number, since it is smaller than the sum of its proper divisors (10646876188280).

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

8507728080520 is a wasteful number, since it uses less digits than its factorization.

8507728080520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135734317 (or 135734313 counting only the distinct ones).

The product of its (nonzero) digits is 2508800, while the sum is 52.

The spelling of 8507728080520 in words is "eight trillion, five hundred seven billion, seven hundred twenty-eight million, eighty thousand, five hundred twenty".