8545789985 has 8 divisors (see below), whose sum is σ = 10257134976. Its totient is φ = 6835174000.

The previous prime is 8545789981. The next prime is 8545790021. The reversal of 8545789985 is 5899875458.

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

It is not a de Polignac number, because 8545789985 - 2² = 8545789981 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8545789981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156119 + ... + 203628.

It is an arithmetic number, because the mean of its divisors is an integer number (1282141872).

Almost surely, 2^8545789985 is an apocalyptic number.

It is an amenable number.

8545789985 is a deficient number, since it is larger than the sum of its proper divisors (1711344991).

8545789985 is a wasteful number, since it uses less digits than its factorization.

8545789985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364503.

The product of its digits is 145152000, while the sum is 68.

The square root of 8545789985 is about 92443.4420875813. The cubic root of 8545789985 is about 2044.4856747821.

The spelling of 8545789985 in words is "eight billion, five hundred forty-five million, seven hundred eighty-nine thousand, nine hundred eighty-five".