8975999985 has 16 divisors (see below), whose sum is σ = 14563877760. Its totient is φ = 4719774080.

The previous prime is 8975999951. The next prime is 8975999999. The reversal of 8975999985 is 5899995798.

It is a happy number.

It is not a de Polignac number, because 8975999985 - 2¹¹ = 8975997937 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 8975999985.

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, 4213020 + ... + 4215149.

It is an arithmetic number, because the mean of its divisors is an integer number (910242360).

Almost surely, 2^8975999985 is an apocalyptic number.

It is an amenable number.

8975999985 is a deficient number, since it is larger than the sum of its proper divisors (5587877775).

8975999985 is a wasteful number, since it uses less digits than its factorization.

8975999985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8428248.

The product of its digits is 661348800, while the sum is 78.

The square root of 8975999985 is about 94741.7541794535. The cubic root of 8975999985 is about 2078.2332125338.

The spelling of 8975999985 in words is "eight billion, nine hundred seventy-five million, nine hundred ninety-nine thousand, nine hundred eighty-five".