916227311 has 4 divisors (see below), whose sum is σ = 916309800. Its totient is φ = 916144824.

The previous prime is 916227283. The next prime is 916227313. The reversal of 916227311 is 113722619.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 113722619 = 19 ⋅5985401.

It is a cyclic number.

It is not a de Polignac number, because 916227311 - 2¹⁰ = 916226287 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 (916227313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21401 + ... + 47858.

It is an arithmetic number, because the mean of its divisors is an integer number (229077450).

Almost surely, 2^916227311 is an apocalyptic number.

916227311 is a deficient number, since it is larger than the sum of its proper divisors (82489).

916227311 is a wasteful number, since it uses less digits than its factorization.

916227311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82488.

The product of its digits is 4536, while the sum is 32.

The square root of 916227311 is about 30269.2469513201. The cubic root of 916227311 is about 971.2575573000.

The spelling of 916227311 in words is "nine hundred sixteen million, two hundred twenty-seven thousand, three hundred eleven".