113849978 has 8 divisors (see below), whose sum is σ = 186300000. Its totient is φ = 51749980.

The previous prime is 113849971. The next prime is 113849987. The reversal of 113849978 is 879948311.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (113849971) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2587478 + ... + 2587521.

It is an arithmetic number, because the mean of its divisors is an integer number (23287500).

Almost surely, 2^113849978 is an apocalyptic number.

113849978 is a deficient number, since it is larger than the sum of its proper divisors (72450022).

113849978 is a wasteful number, since it uses less digits than its factorization.

113849978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5175012.

The product of its digits is 435456, while the sum is 50.

The square root of 113849978 is about 10670.0505153443. The cubic root of 113849978 is about 484.6679670228.

The spelling of 113849978 in words is "one hundred thirteen million, eight hundred forty-nine thousand, nine hundred seventy-eight".