116851687 has 2 divisors, whose sum is σ = 116851688. Its totient is φ = 116851686.

The previous prime is 116851663. The next prime is 116851711. The reversal of 116851687 is 786158611.

It is a balanced prime because it is at equal distance from previous prime (116851663) and next prime (116851711).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-116851687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (116851627) 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 as a sum of consecutive naturals, namely, 58425843 + 58425844.

It is an arithmetic number, because the mean of its divisors is an integer number (58425844).

Almost surely, 2^116851687 is an apocalyptic number.

116851687 is a deficient number, since it is larger than the sum of its proper divisors (1).

116851687 is an equidigital number, since it uses as much as digits as its factorization.

116851687 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80640, while the sum is 43.

The square root of 116851687 is about 10809.7958815141. The cubic root of 116851687 is about 488.8905720462.

The spelling of 116851687 in words is "one hundred sixteen million, eight hundred fifty-one thousand, six hundred eighty-seven".