116688539 has 6 divisors (see below), whose sum is σ = 127335684. Its totient is φ = 106047920.

The previous prime is 116688521. The next prime is 116688569. The reversal of 116688539 is 935886611.

It is a de Polignac number, because none of the positive numbers 2^k-116688539 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 116688493 and 116688502.

It is not an unprimeable number, because it can be changed into a prime (116688569) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34199 + ... + 37455.

It is an arithmetic number, because the mean of its divisors is an integer number (21222614).

Almost surely, 2^116688539 is an apocalyptic number.

116688539 is a deficient number, since it is larger than the sum of its proper divisors (10647145).

116688539 is an frugal number, since it uses more digits than its factorization.

116688539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6525 (or 3268 counting only the distinct ones).

The product of its digits is 311040, while the sum is 47.

The square root of 116688539 is about 10802.2469421875. The cubic root of 116688539 is about 488.6629368536.

The spelling of 116688539 in words is "one hundred sixteen million, six hundred eighty-eight thousand, five hundred thirty-nine".