8663174985 has 16 divisors (see below), whose sum is σ = 13995656064. Its totient is φ = 4575501312.

The previous prime is 8663174957. The next prime is 8663175007. The reversal of 8663174985 is 5894713668.

It is not a de Polignac number, because 8663174985 - 2⁵ = 8663174953 is a prime.

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, 2802072 + ... + 2805161.

It is an arithmetic number, because the mean of its divisors is an integer number (874728504).

Almost surely, 2^8663174985 is an apocalyptic number.

It is an amenable number.

8663174985 is a deficient number, since it is larger than the sum of its proper divisors (5332481079).

8663174985 is a wasteful number, since it uses less digits than its factorization.

8663174985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5607344.

The product of its digits is 8709120, while the sum is 57.

The square root of 8663174985 is about 93076.1783970528. The cubic root of 8663174985 is about 2053.8041585936.

The spelling of 8663174985 in words is "eight billion, six hundred sixty-three million, one hundred seventy-four thousand, nine hundred eighty-five".