117724843 has 2 divisors, whose sum is σ = 117724844. Its totient is φ = 117724842.

The previous prime is 117724823. The next prime is 117724877. The reversal of 117724843 is 348427711.

It is a weak prime.

It is an emirp because it is prime and its reverse (348427711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 117724843 - 2¹⁷ = 117593771 is a prime.

It is a super-3 number, since 3×117724843³ (a number of 25 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (117724823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58862421 + 58862422.

It is an arithmetic number, because the mean of its divisors is an integer number (58862422).

Almost surely, 2^117724843 is an apocalyptic number.

117724843 is a deficient number, since it is larger than the sum of its proper divisors (1).

117724843 is an equidigital number, since it uses as much as digits as its factorization.

117724843 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37632, while the sum is 37.

The square root of 117724843 is about 10850.1079718130. The cubic root of 117724843 is about 490.1052710097.

The spelling of 117724843 in words is "one hundred seventeen million, seven hundred twenty-four thousand, eight hundred forty-three".