115786867478 has 4 divisors (see below), whose sum is σ = 173680301220. Its totient is φ = 57893433738.

The previous prime is 115786867477. The next prime is 115786867501. The reversal of 115786867478 is 874768687511.

115786867478 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115786867477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28946716868 + ... + 28946716871.

It is an arithmetic number, because the mean of its divisors is an integer number (43420075305).

Almost surely, 2^115786867478 is an apocalyptic number.

115786867478 is a deficient number, since it is larger than the sum of its proper divisors (57893433742).

115786867478 is an equidigital number, since it uses as much as digits as its factorization.

115786867478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57893433741.

The product of its digits is 126443520, while the sum is 68.

The spelling of 115786867478 in words is "one hundred fifteen billion, seven hundred eighty-six million, eight hundred sixty-seven thousand, four hundred seventy-eight".