8279622340 has 72 divisors (see below), whose sum is σ = 19828686528. Its totient is φ = 2879828160.

The previous prime is 8279622283. The next prime is 8279622347. The reversal of 8279622340 is 432269728.

It is not an unprimeable number, because it can be changed into a prime (8279622347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 80809 + ... + 151951.

It is an arithmetic number, because the mean of its divisors is an integer number (275398424).

Almost surely, 2^8279622340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8279622340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9914343264).

8279622340 is an abundant number, since it is smaller than the sum of its proper divisors (11549064188).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8279622340 is a wasteful number, since it uses less digits than its factorization.

8279622340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71209 (or 71184 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 43.

The square root of 8279622340 is about 90992.4301247087. The cubic root of 8279622340 is about 2023.0355253309.

The spelling of 8279622340 in words is "eight billion, two hundred seventy-nine million, six hundred twenty-two thousand, three hundred forty".