118888589 has 4 divisors (see below), whose sum is σ = 119979420. Its totient is φ = 117797760.

The previous prime is 118888519. The next prime is 118888597. The reversal of 118888589 is 985888811.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 75986089 + 42902500 = 8717^2 + 6550^2 .

It is a cyclic number.

It is not a de Polignac number, because 118888589 - 2¹⁶ = 118823053 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118888519) 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, 545252 + ... + 545469.

It is an arithmetic number, because the mean of its divisors is an integer number (29994855).

Almost surely, 2^118888589 is an apocalyptic number.

It is an amenable number.

118888589 is a deficient number, since it is larger than the sum of its proper divisors (1090831).

118888589 is a wasteful number, since it uses less digits than its factorization.

118888589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1090830.

The product of its digits is 1474560, while the sum is 56.

The square root of 118888589 is about 10903.6044040491. The cubic root of 118888589 is about 491.7149253534.

The spelling of 118888589 in words is "one hundred eighteen million, eight hundred eighty-eight thousand, five hundred eighty-nine".