118947789 has 12 divisors (see below), whose sum is σ = 179283936. Its totient is φ = 75850632.

The previous prime is 118947767. The next prime is 118947797. The reversal of 118947789 is 987749811.

118947789 is a `hidden beast` number, since 11 + 89 + 477 + 89 = 666.

It is not a de Polignac number, because 118947789 - 2¹⁵ = 118915021 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118947749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 287107 + ... + 287520.

It is an arithmetic number, because the mean of its divisors is an integer number (14940328).

Almost surely, 2^118947789 is an apocalyptic number.

It is an amenable number.

118947789 is a deficient number, since it is larger than the sum of its proper divisors (60336147).

118947789 is a wasteful number, since it uses less digits than its factorization.

118947789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574656 (or 574653 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 54.

The square root of 118947789 is about 10906.3187648262. The cubic root of 118947789 is about 491.7965275030.

It can be divided in two parts, 11894 and 7789, that added together give a 9-th power (19683 = 3⁹).

The spelling of 118947789 in words is "one hundred eighteen million, nine hundred forty-seven thousand, seven hundred eighty-nine".