118669387 has 2 divisors, whose sum is σ = 118669388. Its totient is φ = 118669386.

The previous prime is 118669373. The next prime is 118669399. The reversal of 118669387 is 783966811.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 118669387 - 2¹⁵ = 118636619 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 118669387.

It is not a weakly prime, because it can be changed into another prime (118669357) 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, 59334693 + 59334694.

It is an arithmetic number, because the mean of its divisors is an integer number (59334694).

Almost surely, 2^118669387 is an apocalyptic number.

118669387 is a deficient number, since it is larger than the sum of its proper divisors (1).

118669387 is an equidigital number, since it uses as much as digits as its factorization.

118669387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 435456, while the sum is 49.

The square root of 118669387 is about 10893.5479528022. The cubic root of 118669387 is about 491.4125380314.

The spelling of 118669387 in words is "one hundred eighteen million, six hundred sixty-nine thousand, three hundred eighty-seven".