8728160985 has 48 divisors (see below), whose sum is σ = 15217023744. Its totient is φ = 4627973376.

The previous prime is 8728160983. The next prime is 8728160993. The reversal of 8728160985 is 5890618278.

8728160985 is a `hidden beast` number, since 8 + 7 + 28 + 1 + 609 + 8 + 5 = 666.

It is not a de Polignac number, because 8728160985 - 2¹ = 8728160983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8728160983) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7315549 + ... + 7316741.

It is an arithmetic number, because the mean of its divisors is an integer number (317021328).

Almost surely, 2^8728160985 is an apocalyptic number.

It is an amenable number.

8728160985 is a deficient number, since it is larger than the sum of its proper divisors (6488862759).

8728160985 is a wasteful number, since it uses less digits than its factorization.

8728160985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2014 (or 2011 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 54.

The square root of 8728160985 is about 93424.6272938779. The cubic root of 8728160985 is about 2058.9268442641.

The spelling of 8728160985 in words is "eight billion, seven hundred twenty-eight million, one hundred sixty thousand, nine hundred eighty-five".