115967843 has 2 divisors, whose sum is σ = 115967844. Its totient is φ = 115967842.

The previous prime is 115967809. The next prime is 115967851. The reversal of 115967843 is 348769511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 115967843 - 2²² = 111773539 is a prime.

It is a super-2 number, since 2×115967843² = 26897081220145298, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 115967794 and 115967803.

It is not a weakly prime, because it can be changed into another prime (115967543) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57983921 + 57983922.

It is an arithmetic number, because the mean of its divisors is an integer number (57983922).

Almost surely, 2^115967843 is an apocalyptic number.

115967843 is a deficient number, since it is larger than the sum of its proper divisors (1).

115967843 is an equidigital number, since it uses as much as digits as its factorization.

115967843 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 44.

The square root of 115967843 is about 10768.8366595468. The cubic root of 115967843 is about 487.6548259494.

The spelling of 115967843 in words is "one hundred fifteen million, nine hundred sixty-seven thousand, eight hundred forty-three".