113666780 has 24 divisors (see below), whose sum is σ = 241725120. Its totient is φ = 44890560.

The previous prime is 113666779. The next prime is 113666789. The reversal of 113666780 is 87666311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113666789) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34391 + ... + 37550.

It is an arithmetic number, because the mean of its divisors is an integer number (10071880).

Almost surely, 2^113666780 is an apocalyptic number.

113666780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113666780 is an abundant number, since it is smaller than the sum of its proper divisors (128058340).

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

113666780 is a wasteful number, since it uses less digits than its factorization.

113666780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72029 (or 72027 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 113666780 is about 10661.4623762409. The cubic root of 113666780 is about 484.4078648807.

The spelling of 113666780 in words is "one hundred thirteen million, six hundred sixty-six thousand, seven hundred eighty".