118327789 has 2 divisors, whose sum is σ = 118327790. Its totient is φ = 118327788.

The previous prime is 118327733. The next prime is 118327793. The reversal of 118327789 is 987723811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98346889 + 19980900 = 9917^2 + 4470^2 .

It is an emirp because it is prime and its reverse (987723811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 118327789 - 2¹⁹ = 117803501 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 (118327799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59163894 + 59163895.

It is an arithmetic number, because the mean of its divisors is an integer number (59163895).

Almost surely, 2^118327789 is an apocalyptic number.

It is an amenable number.

118327789 is a deficient number, since it is larger than the sum of its proper divisors (1).

118327789 is an equidigital number, since it uses as much as digits as its factorization.

118327789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 169344, while the sum is 46.

The square root of 118327789 is about 10877.8577394632. The cubic root of 118327789 is about 490.9405632637.

The spelling of 118327789 in words is "one hundred eighteen million, three hundred twenty-seven thousand, seven hundred eighty-nine".