116791289 has 4 divisors (see below), whose sum is σ = 116815524. Its totient is φ = 116767056.

The previous prime is 116791231. The next prime is 116791319. The reversal of 116791289 is 982197611.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2301289 + 114490000 = 1517^2 + 10700^2 .

It is a cyclic number.

It is not a de Polignac number, because 116791289 - 2¹² = 116787193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116791219) 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, 2162 + ... + 15435.

It is an arithmetic number, because the mean of its divisors is an integer number (29203881).

Almost surely, 2^116791289 is an apocalyptic number.

It is an amenable number.

116791289 is a deficient number, since it is larger than the sum of its proper divisors (24235).

116791289 is an equidigital number, since it uses as much as digits as its factorization.

116791289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24234.

The product of its digits is 54432, while the sum is 44.

The square root of 116791289 is about 10807.0018506522. The cubic root of 116791289 is about 488.8063253615.

The spelling of 116791289 in words is "one hundred sixteen million, seven hundred ninety-one thousand, two hundred eighty-nine".