113685778 has 8 divisors (see below), whose sum is σ = 179503920. Its totient is φ = 53851140.

The previous prime is 113685769. The next prime is 113685779. The reversal of 113685778 is 877586311.

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

It is a super-2 number, since 2×113685778² = 25848912238930568, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (113685779) 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, 1495828 + ... + 1495903.

It is an arithmetic number, because the mean of its divisors is an integer number (22437990).

Almost surely, 2^113685778 is an apocalyptic number.

113685778 is a deficient number, since it is larger than the sum of its proper divisors (65818142).

113685778 is a wasteful number, since it uses less digits than its factorization.

113685778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2991752.

The product of its digits is 282240, while the sum is 46.

The square root of 113685778 is about 10662.3533049698. The cubic root of 113685778 is about 484.4348509768.

The spelling of 113685778 in words is "one hundred thirteen million, six hundred eighty-five thousand, seven hundred seventy-eight".