118775879 has 2 divisors, whose sum is σ = 118775880. Its totient is φ = 118775878.

The previous prime is 118775827. The next prime is 118775903. The reversal of 118775879 is 978577811.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (978577811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 118775879 - 2⁸ = 118775623 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 118775879.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118775179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59387939 + 59387940.

It is an arithmetic number, because the mean of its divisors is an integer number (59387940).

Almost surely, 2^118775879 is an apocalyptic number.

118775879 is a deficient number, since it is larger than the sum of its proper divisors (1).

118775879 is an equidigital number, since it uses as much as digits as its factorization.

118775879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 987840, while the sum is 53.

The square root of 118775879 is about 10898.4347041215. The cubic root of 118775879 is about 491.5594893199.

The spelling of 118775879 in words is "one hundred eighteen million, seven hundred seventy-five thousand, eight hundred seventy-nine".