117065279 has 2 divisors, whose sum is σ = 117065280. Its totient is φ = 117065278.

The previous prime is 117065227. The next prime is 117065321. The reversal of 117065279 is 972560711.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117065279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117065219) 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, 58532639 + 58532640.

It is an arithmetic number, because the mean of its divisors is an integer number (58532640).

Almost surely, 2^117065279 is an apocalyptic number.

117065279 is a deficient number, since it is larger than the sum of its proper divisors (1).

117065279 is an equidigital number, since it uses as much as digits as its factorization.

117065279 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26460, while the sum is 38.

The square root of 117065279 is about 10819.6709284525. The cubic root of 117065279 is about 489.1882700872.

The spelling of 117065279 in words is "one hundred seventeen million, sixty-five thousand, two hundred seventy-nine".