117808843 has 2 divisors, whose sum is σ = 117808844. Its totient is φ = 117808842.

The previous prime is 117808811. The next prime is 117808871. The reversal of 117808843 is 348808711.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 117808843 - 2⁵ = 117808811 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 117808796 and 117808805.

It is not a weakly prime, because it can be changed into another prime (117800843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58904421 + 58904422.

It is an arithmetic number, because the mean of its divisors is an integer number (58904422).

Almost surely, 2^117808843 is an apocalyptic number.

117808843 is a deficient number, since it is larger than the sum of its proper divisors (1).

117808843 is an equidigital number, since it uses as much as digits as its factorization.

117808843 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43008, while the sum is 40.

The square root of 117808843 is about 10853.9782107760. The cubic root of 117808843 is about 490.2218112796.

The spelling of 117808843 in words is "one hundred seventeen million, eight hundred eight thousand, eight hundred forty-three".