117727853 has 2 divisors, whose sum is σ = 117727854. Its totient is φ = 117727852.

The previous prime is 117727837. The next prime is 117727859. The reversal of 117727853 is 358727711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83411689 + 34316164 = 9133^2 + 5858^2 .

It is a cyclic number.

It is not a de Polignac number, because 117727853 - 2⁴ = 117727837 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 117727853.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117727859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58863926 + 58863927.

It is an arithmetic number, because the mean of its divisors is an integer number (58863927).

Almost surely, 2^117727853 is an apocalyptic number.

It is an amenable number.

117727853 is a deficient number, since it is larger than the sum of its proper divisors (1).

117727853 is an equidigital number, since it uses as much as digits as its factorization.

117727853 is an evil number, because the sum of its binary digits is even.

The product of its digits is 82320, while the sum is 41.

The square root of 117727853 is about 10850.2466792235. The cubic root of 117727853 is about 490.1094479936.

The spelling of 117727853 in words is "one hundred seventeen million, seven hundred twenty-seven thousand, eight hundred fifty-three".