117784511179 has 8 divisors (see below), whose sum is σ = 122165581968. Its totient is φ = 113466477600.

The previous prime is 117784511177. The next prime is 117784511183. The reversal of 117784511179 is 971115487711.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 117784511179 - 2¹ = 117784511177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117784511177) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15755497 + ... + 15762970.

It is an arithmetic number, because the mean of its divisors is an integer number (15270697746).

Almost surely, 2^117784511179 is an apocalyptic number.

117784511179 is a deficient number, since it is larger than the sum of its proper divisors (4381070789).

117784511179 is a wasteful number, since it uses less digits than its factorization.

117784511179 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31518605.

The product of its digits is 493920, while the sum is 52.

The spelling of 117784511179 in words is "one hundred seventeen billion, seven hundred eighty-four million, five hundred eleven thousand, one hundred seventy-nine".