118987479 has 24 divisors (see below), whose sum is σ = 185487120. Its totient is φ = 73066752.

The previous prime is 118987459. The next prime is 118987499. The reversal of 118987479 is 974789811.

118987479 is a `hidden beast` number, since 11 + 89 + 87 + 479 = 666.

It is an interprime number because it is at equal distance from previous prime (118987459) and next prime (118987499).

It is not a de Polignac number, because 118987479 - 2⁵ = 118987447 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118987459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 79167 + ... + 80655.

It is an arithmetic number, because the mean of its divisors is an integer number (7728630).

Almost surely, 2^118987479 is an apocalyptic number.

118987479 is a deficient number, since it is larger than the sum of its proper divisors (66499641).

118987479 is a wasteful number, since it uses less digits than its factorization.

118987479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2191 (or 2188 counting only the distinct ones).

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

The square root of 118987479 is about 10908.1382004447. The cubic root of 118987479 is about 491.8512216219.

The spelling of 118987479 in words is "one hundred eighteen million, nine hundred eighty-seven thousand, four hundred seventy-nine".