8168676289 has 4 divisors (see below), whose sum is σ = 8598606640. Its totient is φ = 7738745940.

The previous prime is 8168676227. The next prime is 8168676293. The reversal of 8168676289 is 9826768618.

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 8168676289 - 2¹⁵ = 8168643521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8168676209) 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, 214965147 + ... + 214965184.

It is an arithmetic number, because the mean of its divisors is an integer number (2149651660).

Almost surely, 2^8168676289 is an apocalyptic number.

It is an amenable number.

8168676289 is a deficient number, since it is larger than the sum of its proper divisors (429930351).

8168676289 is a wasteful number, since it uses less digits than its factorization.

8168676289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429930350.

The product of its digits is 13934592, while the sum is 61.

The square root of 8168676289 is about 90380.7296330363. The cubic root of 8168676289 is about 2013.9587080028.

The spelling of 8168676289 in words is "eight billion, one hundred sixty-eight million, six hundred seventy-six thousand, two hundred eighty-nine".