8128680 has 64 divisors (see below), whose sum is σ = 27872640. Its totient is φ = 1857792.

The previous prime is 8128667. The next prime is 8128691. The reversal of 8128680 is 868218.

8128680 = T₈₇ + T₈₈ + ... + T₃₆₆.

It is a nialpdrome in base 15.

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, 3999 + ... + 5678.

It is an arithmetic number, because the mean of its divisors is an integer number (435510).

Almost surely, 2^8128680 is an apocalyptic number.

It is an amenable number.

8128680 is an abundant number, since it is smaller than the sum of its proper divisors (19743960).

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

8128680 is a wasteful number, since it uses less digits than its factorization.

8128680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9698 (or 9694 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 33.

The square root of 8128680 is about 2851.0840043745. The cubic root of 8128680 is about 201.0666346730.

The spelling of 8128680 in words is "eight million, one hundred twenty-eight thousand, six hundred eighty".