8108209897 has 8 divisors (see below), whose sum is σ = 8356934880. Its totient is φ = 7861911840.

The previous prime is 8108209883. The next prime is 8108209919. The reversal of 8108209897 is 7989028018.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8108209897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8108209997) 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, 599947 + ... + 613312.

It is an arithmetic number, because the mean of its divisors is an integer number (1044616860).

Almost surely, 2^8108209897 is an apocalyptic number.

It is an amenable number.

8108209897 is a deficient number, since it is larger than the sum of its proper divisors (248724983).

8108209897 is a wasteful number, since it uses less digits than its factorization.

8108209897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1213463.

The product of its (nonzero) digits is 580608, while the sum is 52.

The square root of 8108209897 is about 90045.5989874019. The cubic root of 8108209897 is about 2008.9771366374.

The spelling of 8108209897 in words is "eight billion, one hundred eight million, two hundred nine thousand, eight hundred ninety-seven".