115546878 has 16 divisors (see below), whose sum is σ = 256770960. Its totient is φ = 38515608.

The previous prime is 115546877. The next prime is 115546883. The reversal of 115546878 is 878645511.

115546878 is a `hidden beast` number, since 11 + 554 + 6 + 87 + 8 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115546877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1069825 + ... + 1069932.

It is an arithmetic number, because the mean of its divisors is an integer number (16048185).

Almost surely, 2^115546878 is an apocalyptic number.

115546878 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

115546878 is an abundant number, since it is smaller than the sum of its proper divisors (141224082).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

115546878 is a wasteful number, since it uses less digits than its factorization.

115546878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2139768 (or 2139762 counting only the distinct ones).

The product of its digits is 268800, while the sum is 45.

The square root of 115546878 is about 10749.2733707912. The cubic root of 115546878 is about 487.0640457605.

The spelling of 115546878 in words is "one hundred fifteen million, five hundred forty-six thousand, eight hundred seventy-eight".