115743891 has 8 divisors (see below), whose sum is σ = 157237200. Its totient is φ = 75706592.

The previous prime is 115743883. The next prime is 115743893. The reversal of 115743891 is 198347511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 115743891 - 2³ = 115743883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115743893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 363816 + ... + 364133.

It is an arithmetic number, because the mean of its divisors is an integer number (19654650).

Almost surely, 2^115743891 is an apocalyptic number.

115743891 is a deficient number, since it is larger than the sum of its proper divisors (41493309).

115743891 is an equidigital number, since it uses as much as digits as its factorization.

115743891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728005.

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

The square root of 115743891 is about 10758.4334826219. The cubic root of 115743891 is about 487.3407111407.

The spelling of 115743891 in words is "one hundred fifteen million, seven hundred forty-three thousand, eight hundred ninety-one".