118186879 has 2 divisors, whose sum is σ = 118186880. Its totient is φ = 118186878.

The previous prime is 118186823. The next prime is 118186889. The reversal of 118186879 is 978681811.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 118186879 - 2⁷ = 118186751 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118186889) 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, 59093439 + 59093440.

It is an arithmetic number, because the mean of its divisors is an integer number (59093440).

Almost surely, 2^118186879 is an apocalyptic number.

118186879 is a deficient number, since it is larger than the sum of its proper divisors (1).

118186879 is an equidigital number, since it uses as much as digits as its factorization.

118186879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 193536, while the sum is 49.

The square root of 118186879 is about 10871.3788913826. The cubic root of 118186879 is about 490.7456078949.

The spelling of 118186879 in words is "one hundred eighteen million, one hundred eighty-six thousand, eight hundred seventy-nine".