118009479 has 16 divisors (see below), whose sum is σ = 180482048. Its totient is φ = 67187232.

The previous prime is 118009477. The next prime is 118009519. The reversal of 118009479 is 974900811.

It is a happy number.

It is not a de Polignac number, because 118009479 - 2¹ = 118009477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118009477) 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 15 ways as a sum of consecutive naturals, for example, 4327 + ... + 15960.

It is an arithmetic number, because the mean of its divisors is an integer number (11280128).

Almost surely, 2^118009479 is an apocalyptic number.

118009479 is a deficient number, since it is larger than the sum of its proper divisors (62472569).

118009479 is a wasteful number, since it uses less digits than its factorization.

118009479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20574.

The product of its (nonzero) digits is 18144, while the sum is 39.

The square root of 118009479 is about 10863.2167887785. The cubic root of 118009479 is about 490.4999464858.

The spelling of 118009479 in words is "one hundred eighteen million, nine thousand, four hundred seventy-nine".