8508799985 has 8 divisors (see below), whose sum is σ = 11669211456. Its totient is φ = 5834605680.

The previous prime is 8508799969. The next prime is 8508799993. The reversal of 8508799985 is 5899978058.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8508799985 - 2⁴ = 8508799969 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121554251 + ... + 121554320.

It is an arithmetic number, because the mean of its divisors is an integer number (1458651432).

Almost surely, 2^8508799985 is an apocalyptic number.

It is an amenable number.

8508799985 is a deficient number, since it is larger than the sum of its proper divisors (3160411471).

8508799985 is a wasteful number, since it uses less digits than its factorization.

8508799985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243108583.

The product of its (nonzero) digits is 65318400, while the sum is 68.

The square root of 8508799985 is about 92243.1568464566. The cubic root of 8508799985 is about 2041.5315924373.

The spelling of 8508799985 in words is "eight billion, five hundred eight million, seven hundred ninety-nine thousand, nine hundred eighty-five".