8297817109 has 4 divisors (see below), whose sum is σ = 8312349760. Its totient is φ = 8283284460.

The previous prime is 8297817107. The next prime is 8297817119. The reversal of 8297817109 is 9017187928.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8297817109 - 2¹ = 8297817107 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 (8297817107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7265469 + ... + 7266610.

It is an arithmetic number, because the mean of its divisors is an integer number (2078087440).

Almost surely, 2^8297817109 is an apocalyptic number.

It is an amenable number.

8297817109 is a deficient number, since it is larger than the sum of its proper divisors (14532651).

8297817109 is a wasteful number, since it uses less digits than its factorization.

8297817109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14532650.

The product of its (nonzero) digits is 508032, while the sum is 52.

The square root of 8297817109 is about 91092.3548328838. The cubic root of 8297817109 is about 2024.5163390134.

The spelling of 8297817109 in words is "eight billion, two hundred ninety-seven million, eight hundred seventeen thousand, one hundred nine".