115839799 has 4 divisors (see below), whose sum is σ = 120876336. Its totient is φ = 110803264.

The previous prime is 115839791. The next prime is 115839809. The reversal of 115839799 is 997938511.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 997938511 = 1093 ⋅913027.

It is a cyclic number.

It is not a de Polignac number, because 115839799 - 2³ = 115839791 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 (115839791) 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 3 ways as a sum of consecutive naturals, for example, 2518234 + ... + 2518279.

It is an arithmetic number, because the mean of its divisors is an integer number (30219084).

Almost surely, 2^115839799 is an apocalyptic number.

115839799 is a deficient number, since it is larger than the sum of its proper divisors (5036537).

115839799 is an equidigital number, since it uses as much as digits as its factorization.

115839799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5036536.

The product of its digits is 612360, while the sum is 52.

The square root of 115839799 is about 10762.8899000222. The cubic root of 115839799 is about 487.4752811486.

The spelling of 115839799 in words is "one hundred fifteen million, eight hundred thirty-nine thousand, seven hundred ninety-nine".