113390878 has 8 divisors (see below), whose sum is σ = 170167968. Its totient is φ = 56668224.

The previous prime is 113390873. The next prime is 113390891. The reversal of 113390878 is 878093311.

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

It is a super-2 number, since 2×113390878² = 25714982427221768, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 113390878.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113390873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7926 + ... + 17017.

It is an arithmetic number, because the mean of its divisors is an integer number (21270996).

Almost surely, 2^113390878 is an apocalyptic number.

113390878 is a deficient number, since it is larger than the sum of its proper divisors (56777090).

113390878 is a wasteful number, since it uses less digits than its factorization.

113390878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27218.

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 113390878 is about 10648.5152955706. The cubic root of 113390878 is about 484.0156148913.

The spelling of 113390878 in words is "one hundred thirteen million, three hundred ninety thousand, eight hundred seventy-eight".