8317227138 has 32 divisors (see below), whose sum is σ = 18174309120. Its totient is φ = 2516534160.

The previous prime is 8317227137. The next prime is 8317227157.

8317227138 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 8317227138.

It is not an unprimeable number, because it can be changed into a prime (8317227137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52120 + ... + 139107.

It is an arithmetic number, because the mean of its divisors is an integer number (567947160).

Almost surely, 2^8317227138 is an apocalyptic number.

8317227138 is an abundant number, since it is smaller than the sum of its proper divisors (9857081982).

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

8317227138 is a wasteful number, since it uses less digits than its factorization.

8317227138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191902.

The product of its digits is 112896, while the sum is 42.

The square root of 8317227138 is about 91198.8329859544. The cubic root of 8317227138 is about 2026.0936743578.

The spelling of 8317227138 in words is "eight billion, three hundred seventeen million, two hundred twenty-seven thousand, one hundred thirty-eight".