117208771 has 2 divisors, whose sum is σ = 117208772. Its totient is φ = 117208770.

The previous prime is 117208769. The next prime is 117208801. The reversal of 117208771 is 177802711.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 117208771 - 2¹ = 117208769 is a prime.

Together with 117208769, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (117208471) 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, 58604385 + 58604386.

It is an arithmetic number, because the mean of its divisors is an integer number (58604386).

Almost surely, 2^117208771 is an apocalyptic number.

117208771 is a deficient number, since it is larger than the sum of its proper divisors (1).

117208771 is an equidigital number, since it uses as much as digits as its factorization.

117208771 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5488, while the sum is 34.

The square root of 117208771 is about 10826.2999681332. The cubic root of 117208771 is about 489.3880615858.

The spelling of 117208771 in words is "one hundred seventeen million, two hundred eight thousand, seven hundred seventy-one".