118808819 has 2 divisors, whose sum is σ = 118808820. Its totient is φ = 118808818.

The previous prime is 118808803. The next prime is 118808821. The reversal of 118808819 is 918808811.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 118808819 - 2⁴ = 118808803 is a prime.

It is a super-2 number, since 2×118808819² = 28231070944349522, which contains 22 as substring.

Together with 118808821, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 118808819.

It is not a weakly prime, because it can be changed into another prime (118808519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59404409 + 59404410.

It is an arithmetic number, because the mean of its divisors is an integer number (59404410).

Almost surely, 2^118808819 is an apocalyptic number.

118808819 is a deficient number, since it is larger than the sum of its proper divisors (1).

118808819 is an equidigital number, since it uses as much as digits as its factorization.

118808819 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36864, while the sum is 44.

The square root of 118808819 is about 10899.9458255534. The cubic root of 118808819 is about 491.6049263595.

The spelling of 118808819 in words is "one hundred eighteen million, eight hundred eight thousand, eight hundred nineteen".