115843791 has 32 divisors (see below), whose sum is σ = 182041600. Its totient is φ = 65493792.

The previous prime is 115843787. The next prime is 115843823. The reversal of 115843791 is 197348511.

It is not a de Polignac number, because 115843791 - 2² = 115843787 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115843751) 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 in 31 ways as a sum of consecutive naturals, for example, 105441 + ... + 106533.

It is an arithmetic number, because the mean of its divisors is an integer number (5688800).

Almost surely, 2^115843791 is an apocalyptic number.

115843791 is a deficient number, since it is larger than the sum of its proper divisors (66197809).

115843791 is a wasteful number, since it uses less digits than its factorization.

115843791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1220 (or 1206 counting only the distinct ones).

The product of its digits is 30240, while the sum is 39.

The square root of 115843791 is about 10763.0753504749. The cubic root of 115843791 is about 487.4808807755.

The spelling of 115843791 in words is "one hundred fifteen million, eight hundred forty-three thousand, seven hundred ninety-one".