118279865 has 8 divisors (see below), whose sum is σ = 154839168. Its totient is φ = 86021680.

The previous prime is 118279853. The next prime is 118279877. The reversal of 118279865 is 568972811.

It is an interprime number because it is at equal distance from previous prime (118279853) and next prime (118279877).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 118279865 - 2⁶ = 118279801 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1075217 + ... + 1075326.

It is an arithmetic number, because the mean of its divisors is an integer number (19354896).

Almost surely, 2^118279865 is an apocalyptic number.

It is an amenable number.

118279865 is a deficient number, since it is larger than the sum of its proper divisors (36559303).

118279865 is a wasteful number, since it uses less digits than its factorization.

118279865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2150559.

The product of its digits is 241920, while the sum is 47.

The square root of 118279865 is about 10875.6546929369. The cubic root of 118279865 is about 490.8742756153.

The spelling of 118279865 in words is "one hundred eighteen million, two hundred seventy-nine thousand, eight hundred sixty-five".