117887933 has 2 divisors, whose sum is σ = 117887934. Its totient is φ = 117887932.

The previous prime is 117887921. The next prime is 117888011. The reversal of 117887933 is 339788711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97574884 + 20313049 = 9878^2 + 4507^2 .

It is an emirp because it is prime and its reverse (339788711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 117887933 - 2²⁴ = 101110717 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117880933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58943966 + 58943967.

It is an arithmetic number, because the mean of its divisors is an integer number (58943967).

Almost surely, 2^117887933 is an apocalyptic number.

It is an amenable number.

117887933 is a deficient number, since it is larger than the sum of its proper divisors (1).

117887933 is an equidigital number, since it uses as much as digits as its factorization.

117887933 is an evil number, because the sum of its binary digits is even.

The product of its digits is 254016, while the sum is 47.

The square root of 117887933 is about 10857.6209640971. The cubic root of 117887933 is about 490.3314888697.

The spelling of 117887933 in words is "one hundred seventeen million, eight hundred eighty-seven thousand, nine hundred thirty-three".