115801879 has 4 divisors (see below), whose sum is σ = 115945480. Its totient is φ = 115658280.

The previous prime is 115801877. The next prime is 115801891. The reversal of 115801879 is 978108511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 115801879 - 2¹ = 115801877 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 (115801877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70584 + ... + 72205.

It is an arithmetic number, because the mean of its divisors is an integer number (28986370).

Almost surely, 2^115801879 is an apocalyptic number.

115801879 is a deficient number, since it is larger than the sum of its proper divisors (143601).

115801879 is an equidigital number, since it uses as much as digits as its factorization.

115801879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143600.

The product of its (nonzero) digits is 20160, while the sum is 40.

The square root of 115801879 is about 10761.1281471786. The cubic root of 115801879 is about 487.4220838876.

The spelling of 115801879 in words is "one hundred fifteen million, eight hundred one thousand, eight hundred seventy-nine".