116487871 has 2 divisors, whose sum is σ = 116487872. Its totient is φ = 116487870.

The previous prime is 116487869. The next prime is 116487881. The reversal of 116487871 is 178784611.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 116487871 - 2¹ = 116487869 is a prime.

It is a super-2 number, since 2×116487871² = 27138848180225282, which contains 22 as substring.

Together with 116487869, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (116487851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58243935 + 58243936.

It is an arithmetic number, because the mean of its divisors is an integer number (58243936).

Almost surely, 2^116487871 is an apocalyptic number.

116487871 is a deficient number, since it is larger than the sum of its proper divisors (1).

116487871 is an equidigital number, since it uses as much as digits as its factorization.

116487871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 75264, while the sum is 43.

The square root of 116487871 is about 10792.9546927614. The cubic root of 116487871 is about 488.3826600325.

The spelling of 116487871 in words is "one hundred sixteen million, four hundred eighty-seven thousand, eight hundred seventy-one".