118354887 has 24 divisors (see below), whose sum is σ = 202119840. Its totient is φ = 65298240.

The previous prime is 118354879. The next prime is 118354919. The reversal of 118354887 is 788453811.

It is a happy number.

It is not a de Polignac number, because 118354887 - 2³ = 118354879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118354837) 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, 30564 + ... + 34217.

It is an arithmetic number, because the mean of its divisors is an integer number (8421660).

Almost surely, 2^118354887 is an apocalyptic number.

118354887 is a deficient number, since it is larger than the sum of its proper divisors (83764953).

118354887 is a wasteful number, since it uses less digits than its factorization.

118354887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64823 (or 64820 counting only the distinct ones).

The product of its digits is 215040, while the sum is 45.

The square root of 118354887 is about 10879.1032259098. The cubic root of 118354887 is about 490.9780368278.

The spelling of 118354887 in words is "one hundred eighteen million, three hundred fifty-four thousand, eight hundred eighty-seven".