8422686719 has 8 divisors (see below), whose sum is σ = 8868918000. Its totient is φ = 7976748672.

The previous prime is 8422686709. The next prime is 8422686749. The reversal of 8422686719 is 9176862248.

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-8422686719 is a prime.

It is a super-2 number, since 2×8422686719² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8422686709) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13064 + ... + 130445.

It is an arithmetic number, because the mean of its divisors is an integer number (1108614750).

Almost surely, 2^8422686719 is an apocalyptic number.

8422686719 is a deficient number, since it is larger than the sum of its proper divisors (446231281).

8422686719 is a wasteful number, since it uses less digits than its factorization.

8422686719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146617.

The product of its digits is 2322432, while the sum is 53.

The square root of 8422686719 is about 91775.1966437556. The cubic root of 8422686719 is about 2034.6211239991.

The spelling of 8422686719 in words is "eight billion, four hundred twenty-two million, six hundred eighty-six thousand, seven hundred nineteen".