118689379 has 4 divisors (see below), whose sum is σ = 118764576. Its totient is φ = 118614184.

The previous prime is 118689343. The next prime is 118689397. The reversal of 118689379 is 973986811.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 973986811 = 7 ⋅139140973.

It is a cyclic number.

It is not a de Polignac number, because 118689379 - 2⁷ = 118689251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118683379) 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, 35179 + ... + 38404.

It is an arithmetic number, because the mean of its divisors is an integer number (29691144).

Almost surely, 2^118689379 is an apocalyptic number.

118689379 is a deficient number, since it is larger than the sum of its proper divisors (75197).

118689379 is an equidigital number, since it uses as much as digits as its factorization.

118689379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75196.

The product of its digits is 653184, while the sum is 52.

The square root of 118689379 is about 10894.4655215389. The cubic root of 118689379 is about 491.4401322522.

The spelling of 118689379 in words is "one hundred eighteen million, six hundred eighty-nine thousand, three hundred seventy-nine".