1116997769 has 4 divisors (see below), whose sum is σ = 1123238160. Its totient is φ = 1110757380.

The previous prime is 1116997753. The next prime is 1116997781. The reversal of 1116997769 is 9677996111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1116997769 - 2⁴ = 1116997753 is a prime.

It is a super-2 number, since 2×1116997769² = 2495368031901954722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1116997709) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3119927 + ... + 3120284.

It is an arithmetic number, because the mean of its divisors is an integer number (280809540).

Almost surely, 2^1116997769 is an apocalyptic number.

It is an amenable number.

1116997769 is a deficient number, since it is larger than the sum of its proper divisors (6240391).

1116997769 is an equidigital number, since it uses as much as digits as its factorization.

1116997769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6240390.

The product of its digits is 1285956, while the sum is 56.

The square root of 1116997769 is about 33421.5165574514. The cubic root of 1116997769 is about 1037.5700693761.

The spelling of 1116997769 in words is "one billion, one hundred sixteen million, nine hundred ninety-seven thousand, seven hundred sixty-nine".