118179847 has 2 divisors, whose sum is σ = 118179848. Its totient is φ = 118179846.

The previous prime is 118179821. The next prime is 118179851. The reversal of 118179847 is 748971811.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 118179847 - 2¹¹ = 118177799 is a prime.

It is a super-3 number, since 3×118179847³ (a number of 25 digits) contains 333 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 118179797 and 118179806.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118179857) 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, 59089923 + 59089924.

It is an arithmetic number, because the mean of its divisors is an integer number (59089924).

Almost surely, 2^118179847 is an apocalyptic number.

118179847 is a deficient number, since it is larger than the sum of its proper divisors (1).

118179847 is an equidigital number, since it uses as much as digits as its factorization.

118179847 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 112896, while the sum is 46.

The square root of 118179847 is about 10871.0554685366. The cubic root of 118179847 is about 490.7358747458.

The spelling of 118179847 in words is "one hundred eighteen million, one hundred seventy-nine thousand, eight hundred forty-seven".