8205449117 has 8 divisors (see below), whose sum is σ = 8915938560. Its totient is φ = 7522822080.

The previous prime is 8205449107. The next prime is 8205449201. The reversal of 8205449117 is 7119445028.

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

It is not a de Polignac number, because 8205449117 - 2⁴ = 8205449101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8205449107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6964988 + ... + 6966165.

It is an arithmetic number, because the mean of its divisors is an integer number (1114492320).

Almost surely, 2^8205449117 is an apocalyptic number.

It is an amenable number.

8205449117 is a deficient number, since it is larger than the sum of its proper divisors (710489443).

8205449117 is a wasteful number, since it uses less digits than its factorization.

8205449117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13931203.

The product of its (nonzero) digits is 80640, while the sum is 41.

The square root of 8205449117 is about 90583.9340998171. The cubic root of 8205449117 is about 2016.9762554224.

The spelling of 8205449117 in words is "eight billion, two hundred five million, four hundred forty-nine thousand, one hundred seventeen".