117385277 has 2 divisors, whose sum is σ = 117385278. Its totient is φ = 117385276.

The previous prime is 117385253. The next prime is 117385309. The reversal of 117385277 is 772583711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68790436 + 48594841 = 8294^2 + 6971^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117385277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117385217) 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, 58692638 + 58692639.

It is an arithmetic number, because the mean of its divisors is an integer number (58692639).

Almost surely, 2^117385277 is an apocalyptic number.

It is an amenable number.

117385277 is a deficient number, since it is larger than the sum of its proper divisors (1).

117385277 is an equidigital number, since it uses as much as digits as its factorization.

117385277 is an odious number, because the sum of its binary digits is odd.

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

The square root of 117385277 is about 10834.4486246417. The cubic root of 117385277 is about 489.6335966953.

The spelling of 117385277 in words is "one hundred seventeen million, three hundred eighty-five thousand, two hundred seventy-seven".