117366779 has 2 divisors, whose sum is σ = 117366780. Its totient is φ = 117366778.

The previous prime is 117366773. The next prime is 117366791. The reversal of 117366779 is 977663711.

It is a weak prime.

It is an emirp because it is prime and its reverse (977663711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 117366779 - 2⁸ = 117366523 is a prime.

It is not a weakly prime, because it can be changed into another prime (117366773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58683389 + 58683390.

It is an arithmetic number, because the mean of its divisors is an integer number (58683390).

Almost surely, 2^117366779 is an apocalyptic number.

117366779 is a deficient number, since it is larger than the sum of its proper divisors (1).

117366779 is an equidigital number, since it uses as much as digits as its factorization.

117366779 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 333396, while the sum is 47.

The square root of 117366779 is about 10833.5949250468. The cubic root of 117366779 is about 489.6078759284.

The spelling of 117366779 in words is "one hundred seventeen million, three hundred sixty-six thousand, seven hundred seventy-nine".