113711778 has 24 divisors (see below), whose sum is σ = 252386316. Its totient is φ = 36979200.

The previous prime is 113711771. The next prime is 113711779. The reversal of 113711778 is 877117311.

It can be written as a sum of positive squares in 2 ways, for example, as 109683729 + 4028049 = 10473^2 + 2007^2 .

It is not an unprimeable number, because it can be changed into a prime (113711771) 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 11 ways as a sum of consecutive naturals, for example, 76303 + ... + 77778.

Almost surely, 2^113711778 is an apocalyptic number.

113711778 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

113711778 is an abundant number, since it is smaller than the sum of its proper divisors (138674538).

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

113711778 is a wasteful number, since it uses less digits than its factorization.

113711778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154130 (or 154127 counting only the distinct ones).

The product of its digits is 8232, while the sum is 36.

The square root of 113711778 is about 10663.5724783020. The cubic root of 113711778 is about 484.4717783342.

The spelling of 113711778 in words is "one hundred thirteen million, seven hundred eleven thousand, seven hundred seventy-eight".