117818772273 has 6 divisors (see below), whose sum is σ = 170182671074. Its totient is φ = 78545848176.

The previous prime is 117818772229. The next prime is 117818772287. The reversal of 117818772273 is 372277818711.

It can be written as a sum of positive squares in only one way, i.e., 102231749169 + 15587023104 = 319737^2 + 124848^2 .

It is not a de Polignac number, because 117818772273 - 2¹⁷ = 117818641201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117818772293) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6545487340 + ... + 6545487357.

Almost surely, 2^117818772273 is an apocalyptic number.

It is an amenable number.

117818772273 is a deficient number, since it is larger than the sum of its proper divisors (52363898801).

117818772273 is a wasteful number, since it uses less digits than its factorization.

117818772273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13090974703 (or 13090974700 counting only the distinct ones).

The product of its digits is 1843968, while the sum is 54.

The spelling of 117818772273 in words is "one hundred seventeen billion, eight hundred eighteen million, seven hundred seventy-two thousand, two hundred seventy-three".