8548665899 has 4 divisors (see below), whose sum is σ = 8709961536. Its totient is φ = 8387370264.

The previous prime is 8548665859. The next prime is 8548665901. The reversal of 8548665899 is 9985668458.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8548665899 - 2²⁴ = 8531888683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8548665859) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80647739 + ... + 80647844.

It is an arithmetic number, because the mean of its divisors is an integer number (2177490384).

Almost surely, 2^8548665899 is an apocalyptic number.

8548665899 is a deficient number, since it is larger than the sum of its proper divisors (161295637).

8548665899 is a wasteful number, since it uses less digits than its factorization.

8548665899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161295636.

The product of its digits is 149299200, while the sum is 68.

The square root of 8548665899 is about 92458.9957710984. The cubic root of 8548665899 is about 2044.7149925919.

The spelling of 8548665899 in words is "eight billion, five hundred forty-eight million, six hundred sixty-five thousand, eight hundred ninety-nine".