115243886 has 8 divisors (see below), whose sum is σ = 175446120. Its totient is φ = 56761848.

The previous prime is 115243871. The next prime is 115243951. The reversal of 115243886 is 688342511.

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

It is a congruent number.

It is an unprimeable number.

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, 429881 + ... + 430148.

It is an arithmetic number, because the mean of its divisors is an integer number (21930765).

Almost surely, 2^115243886 is an apocalyptic number.

115243886 is a deficient number, since it is larger than the sum of its proper divisors (60202234).

115243886 is an equidigital number, since it uses as much as digits as its factorization.

115243886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860098.

The product of its digits is 46080, while the sum is 38.

The square root of 115243886 is about 10735.1705156462. The cubic root of 115243886 is about 486.6379396525.

The spelling of 115243886 in words is "one hundred fifteen million, two hundred forty-three thousand, eight hundred eighty-six".