116278717 has 4 divisors (see below), whose sum is σ = 116319996. Its totient is φ = 116237440.

The previous prime is 116278711. The next prime is 116278739. The reversal of 116278717 is 717872611.

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 93296281 + 22982436 = 9659^2 + 4794^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-116278717 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 116278717.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116278711) 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, 16078 + ... + 22159.

It is an arithmetic number, because the mean of its divisors is an integer number (29079999).

Almost surely, 2^116278717 is an apocalyptic number.

It is an amenable number.

116278717 is a deficient number, since it is larger than the sum of its proper divisors (41279).

116278717 is an equidigital number, since it uses as much as digits as its factorization.

116278717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41278.

The product of its digits is 32928, while the sum is 40.

The square root of 116278717 is about 10783.2609631781. The cubic root of 116278717 is about 488.0901878574.

The spelling of 116278717 in words is "one hundred sixteen million, two hundred seventy-eight thousand, seven hundred seventeen".