118856669 has 2 divisors, whose sum is σ = 118856670. Its totient is φ = 118856668.

The previous prime is 118856657. The next prime is 118856671. The reversal of 118856669 is 966658811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 117440569 + 1416100 = 10837^2 + 1190^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-118856669 is a prime.

It is a super-2 number, since 2×118856669² = 28253815531551122, which contains 22 as substring.

Together with 118856671, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118855669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59428334 + 59428335.

It is an arithmetic number, because the mean of its divisors is an integer number (59428335).

Almost surely, 2^118856669 is an apocalyptic number.

It is an amenable number.

118856669 is a deficient number, since it is larger than the sum of its proper divisors (1).

118856669 is an equidigital number, since it uses as much as digits as its factorization.

118856669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 622080, while the sum is 50.

The square root of 118856669 is about 10902.1405696313. The cubic root of 118856669 is about 491.6709151154.

The spelling of 118856669 in words is "one hundred eighteen million, eight hundred fifty-six thousand, six hundred sixty-nine".