117707879 has 2 divisors, whose sum is σ = 117707880. Its totient is φ = 117707878.

The previous prime is 117707833. The next prime is 117707917. The reversal of 117707879 is 978707711.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 117707879 - 2¹² = 117703783 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117707179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58853939 + 58853940.

It is an arithmetic number, because the mean of its divisors is an integer number (58853940).

Almost surely, 2^117707879 is an apocalyptic number.

117707879 is a deficient number, since it is larger than the sum of its proper divisors (1).

117707879 is an equidigital number, since it uses as much as digits as its factorization.

117707879 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 172872, while the sum is 47.

The square root of 117707879 is about 10849.3262002762. The cubic root of 117707879 is about 490.0817286970.

The spelling of 117707879 in words is "one hundred seventeen million, seven hundred seven thousand, eight hundred seventy-nine".