8681922317 has 4 divisors (see below), whose sum is σ = 8694487296. Its totient is φ = 8669357340.

The previous prime is 8681922283. The next prime is 8681922331. The reversal of 8681922317 is 7132291868.

It is a happy number.

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 8681922317 - 2²⁰ = 8680873741 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 (8681928317) 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, 6281453 + ... + 6282834.

It is an arithmetic number, because the mean of its divisors is an integer number (2173621824).

Almost surely, 2^8681922317 is an apocalyptic number.

It is an amenable number.

8681922317 is a deficient number, since it is larger than the sum of its proper divisors (12564979).

8681922317 is a wasteful number, since it uses less digits than its factorization.

8681922317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12564978.

The product of its digits is 290304, while the sum is 47.

The square root of 8681922317 is about 93176.8335853929. The cubic root of 8681922317 is about 2055.2845861026.

The spelling of 8681922317 in words is "eight billion, six hundred eighty-one million, nine hundred twenty-two thousand, three hundred seventeen".