115206878 has 4 divisors (see below), whose sum is σ = 172810320. Its totient is φ = 57603438.

The previous prime is 115206859. The next prime is 115206893. The reversal of 115206878 is 878602511.

It is a semiprime because it is the product of two 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 as a sum of consecutive naturals, namely, 28801718 + ... + 28801721.

It is an arithmetic number, because the mean of its divisors is an integer number (43202580).

Almost surely, 2^115206878 is an apocalyptic number.

115206878 is a deficient number, since it is larger than the sum of its proper divisors (57603442).

115206878 is an equidigital number, since it uses as much as digits as its factorization.

115206878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57603441.

The product of its (nonzero) digits is 26880, while the sum is 38.

The square root of 115206878 is about 10733.4466971239. The cubic root of 115206878 is about 486.5858431072.

The spelling of 115206878 in words is "one hundred fifteen million, two hundred six thousand, eight hundred seventy-eight".