117781333 has 2 divisors, whose sum is σ = 117781334. Its totient is φ = 117781332.

The previous prime is 117781331. The next prime is 117781373. The reversal of 117781333 is 333187711.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90668484 + 27112849 = 9522^2 + 5207^2 .

It is a cyclic number.

It is not a de Polignac number, because 117781333 - 2¹ = 117781331 is a prime.

Together with 117781331, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117781331) 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, 58890666 + 58890667.

It is an arithmetic number, because the mean of its divisors is an integer number (58890667).

Almost surely, 2^117781333 is an apocalyptic number.

It is an amenable number.

117781333 is a deficient number, since it is larger than the sum of its proper divisors (1).

117781333 is an equidigital number, since it uses as much as digits as its factorization.

117781333 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10584, while the sum is 34.

The square root of 117781333 is about 10852.7108595042. The cubic root of 117781333 is about 490.1836504434.

The spelling of 117781333 in words is "one hundred seventeen million, seven hundred eighty-one thousand, three hundred thirty-three".