115805927 has 2 divisors, whose sum is σ = 115805928. Its totient is φ = 115805926.

The previous prime is 115805891. The next prime is 115805939. The reversal of 115805927 is 729508511.

It is a strong prime.

It is an emirp because it is prime and its reverse (729508511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 115805927 - 2¹⁰ = 115804903 is a prime.

It is a super-2 number, since 2×115805927² = 26822025456658658, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115805527) 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, 57902963 + 57902964.

It is an arithmetic number, because the mean of its divisors is an integer number (57902964).

Almost surely, 2^115805927 is an apocalyptic number.

115805927 is a deficient number, since it is larger than the sum of its proper divisors (1).

115805927 is an equidigital number, since it uses as much as digits as its factorization.

115805927 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25200, while the sum is 38.

The square root of 115805927 is about 10761.3162299042. The cubic root of 115805927 is about 487.4277633050.

The spelling of 115805927 in words is "one hundred fifteen million, eight hundred five thousand, nine hundred twenty-seven".