118318277 has 24 divisors (see below), whose sum is σ = 149717568. Its totient is φ = 91523520.

The previous prime is 118318273. The next prime is 118318303. The reversal of 118318277 is 772813811.

It is not a de Polignac number, because 118318277 - 2² = 118318273 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 118318277.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118318271) 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 23 ways as a sum of consecutive naturals, for example, 137633 + ... + 138489.

It is an arithmetic number, because the mean of its divisors is an integer number (6238232).

Almost surely, 2^118318277 is an apocalyptic number.

It is an amenable number.

118318277 is a deficient number, since it is larger than the sum of its proper divisors (31399291).

118318277 is a wasteful number, since it uses less digits than its factorization.

118318277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1049 (or 1038 counting only the distinct ones).

The product of its digits is 18816, while the sum is 38.

The square root of 118318277 is about 10877.4205122354. The cubic root of 118318277 is about 490.9274078536.

The spelling of 118318277 in words is "one hundred eighteen million, three hundred eighteen thousand, two hundred seventy-seven".