118780769 has 2 divisors, whose sum is σ = 118780770. Its totient is φ = 118780768.

The previous prime is 118780699. The next prime is 118780771. The reversal of 118780769 is 967087811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88585744 + 30195025 = 9412^2 + 5495^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-118780769 is a prime.

It is a super-2 number, since 2×118780769² = 28217742168462722, which contains 22 as substring.

Together with 118780771, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (118780169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59390384 + 59390385.

It is an arithmetic number, because the mean of its divisors is an integer number (59390385).

Almost surely, 2^118780769 is an apocalyptic number.

It is an amenable number.

118780769 is a deficient number, since it is larger than the sum of its proper divisors (1).

118780769 is an equidigital number, since it uses as much as digits as its factorization.

118780769 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 169344, while the sum is 47.

The square root of 118780769 is about 10898.6590459561. The cubic root of 118780769 is about 491.5662350580.

The spelling of 118780769 in words is "one hundred eighteen million, seven hundred eighty thousand, seven hundred sixty-nine".