118585687 has 6 divisors (see below), whose sum is σ = 130346384. Its totient is φ = 107805060.

The previous prime is 118585681. The next prime is 118585699. The reversal of 118585687 is 786585811.

It is a happy number.

It is not a de Polignac number, because 118585687 - 2¹⁹ = 118061399 is a prime.

It is a super-2 number, since 2×118585687² = 28125130322523938, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 118585687.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118585681) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 489903 + ... + 490144.

Almost surely, 2^118585687 is an apocalyptic number.

118585687 is a deficient number, since it is larger than the sum of its proper divisors (11760697).

118585687 is an equidigital number, since it uses as much as digits as its factorization.

118585687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 980069 (or 980058 counting only the distinct ones).

The product of its digits is 537600, while the sum is 49.

The square root of 118585687 is about 10889.7055515748. The cubic root of 118585687 is about 491.2969763449.

The spelling of 118585687 in words is "one hundred eighteen million, five hundred eighty-five thousand, six hundred eighty-seven".