118904447 has 2 divisors, whose sum is σ = 118904448. Its totient is φ = 118904446.

The previous prime is 118904399. The next prime is 118904449. The reversal of 118904447 is 744409811.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 118904447 - 2¹⁶ = 118838911 is a prime.

Together with 118904449, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 118904447.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118904449) 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 as a sum of consecutive naturals, namely, 59452223 + 59452224.

It is an arithmetic number, because the mean of its divisors is an integer number (59452224).

Almost surely, 2^118904447 is an apocalyptic number.

118904447 is a deficient number, since it is larger than the sum of its proper divisors (1).

118904447 is an equidigital number, since it uses as much as digits as its factorization.

118904447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 118904447 is about 10904.3315705274. The cubic root of 118904447 is about 491.7367869094.

The spelling of 118904447 in words is "one hundred eighteen million, nine hundred four thousand, four hundred forty-seven".