117772213345879 has 2 divisors, whose sum is σ = 117772213345880. Its totient is φ = 117772213345878.

The previous prime is 117772213345811. The next prime is 117772213345901. The reversal of 117772213345879 is 978543312277711.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 117772213345879 - 2¹³ = 117772213337687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117772213345279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58886106672939 + 58886106672940.

It is an arithmetic number, because the mean of its divisors is an integer number (58886106672940).

Almost surely, 2^{117772213345879} is an apocalyptic number.

117772213345879 is a deficient number, since it is larger than the sum of its proper divisors (1).

117772213345879 is an equidigital number, since it uses as much as digits as its factorization.

117772213345879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 124467840, while the sum is 67.

The spelling of 117772213345879 in words is "one hundred seventeen trillion, seven hundred seventy-two billion, two hundred thirteen million, three hundred forty-five thousand, eight hundred seventy-nine".