9117152227 has 2 divisors, whose sum is σ = 9117152228. Its totient is φ = 9117152226.

The previous prime is 9117152119. The next prime is 9117152279. The reversal of 9117152227 is 7222517119.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9117152227 - 2¹¹ = 9117150179 is a prime.

It is not a weakly prime, because it can be changed into another prime (9117152287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4558576113 + 4558576114.

It is an arithmetic number, because the mean of its divisors is an integer number (4558576114).

Almost surely, 2^9117152227 is an apocalyptic number.

9117152227 is a deficient number, since it is larger than the sum of its proper divisors (1).

9117152227 is an equidigital number, since it uses as much as digits as its factorization.

9117152227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17640, while the sum is 37.

The square root of 9117152227 is about 95483.7799157532. The cubic root of 9117152227 is about 2089.0703669146.

The spelling of 9117152227 in words is "nine billion, one hundred seventeen million, one hundred fifty-two thousand, two hundred twenty-seven".