118613899 has 2 divisors, whose sum is σ = 118613900. Its totient is φ = 118613898.

The previous prime is 118613867. The next prime is 118613927. The reversal of 118613899 is 998316811.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 118613899 - 2⁵ = 118613867 is a prime.

It is not a weakly prime, because it can be changed into another prime (118613699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59306949 + 59306950.

It is an arithmetic number, because the mean of its divisors is an integer number (59306950).

Almost surely, 2^118613899 is an apocalyptic number.

118613899 is a deficient number, since it is larger than the sum of its proper divisors (1).

118613899 is an equidigital number, since it uses as much as digits as its factorization.

118613899 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 93312, while the sum is 46.

The square root of 118613899 is about 10891.0008263704. Note that the first 3 decimals coincide. The cubic root of 118613899 is about 491.3359337482.

The spelling of 118613899 in words is "one hundred eighteen million, six hundred thirteen thousand, eight hundred ninety-nine".