112657878 has 80 divisors (see below), whose sum is σ = 281484720. Its totient is φ = 33467904.

The previous prime is 112657847. The next prime is 112657889. The reversal of 112657878 is 878756211.

It is a happy number.

112657878 is a `hidden beast` number, since 1 + 1 + 2 + 6 + 578 + 78 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 51250 + ... + 53402.

It is an arithmetic number, because the mean of its divisors is an integer number (3518559).

Almost surely, 2^112657878 is an apocalyptic number.

112657878 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 112657878, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140742360).

112657878 is an abundant number, since it is smaller than the sum of its proper divisors (168826842).

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

112657878 is a wasteful number, since it uses less digits than its factorization.

112657878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2203 (or 2194 counting only the distinct ones).

The product of its digits is 188160, while the sum is 45.

The square root of 112657878 is about 10614.0415488164. The cubic root of 112657878 is about 482.9704082793.

The spelling of 112657878 in words is "one hundred twelve million, six hundred fifty-seven thousand, eight hundred seventy-eight".