9117797711 has 8 divisors (see below), whose sum is σ = 10095147264. Its totient is φ = 8165191320.

The previous prime is 9117797687. The next prime is 9117797723. The reversal of 9117797711 is 1177977119.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-9117797711 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9117797711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9117797761) 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, 6185015 + ... + 6186488.

It is an arithmetic number, because the mean of its divisors is an integer number (1261893408).

Almost surely, 2^9117797711 is an apocalyptic number.

9117797711 is a deficient number, since it is larger than the sum of its proper divisors (977349553).

9117797711 is a wasteful number, since it uses less digits than its factorization.

9117797711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12371581.

The product of its digits is 194481, while the sum is 50.

The square root of 9117797711 is about 95487.1599273955. The cubic root of 9117797711 is about 2089.1196670191.

The spelling of 9117797711 in words is "nine billion, one hundred seventeen million, seven hundred ninety-seven thousand, seven hundred eleven".