117172244457 has 12 divisors (see below), whose sum is σ = 169256654580. Its totient is φ = 78111203328.

The previous prime is 117172244401. The next prime is 117172244489. The reversal of 117172244457 is 754442271711.

117172244457 is a `hidden beast` number, since 1 + 1 + 7 + 172 + 24 + 4 + 457 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 36505452096 + 80666792361 = 191064^2 + 284019^2 .

It is not a de Polignac number, because 117172244457 - 2¹⁴ = 117172228073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (117172264457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 89688 + ... + 492329.

It is an arithmetic number, because the mean of its divisors is an integer number (14104721215).

Almost surely, 2^117172244457 is an apocalyptic number.

It is an amenable number.

117172244457 is a deficient number, since it is larger than the sum of its proper divisors (52084410123).

117172244457 is a wasteful number, since it uses less digits than its factorization.

117172244457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604392 (or 604389 counting only the distinct ones).

The product of its digits is 439040, while the sum is 45.

The spelling of 117172244457 in words is "one hundred seventeen billion, one hundred seventy-two million, two hundred forty-four thousand, four hundred fifty-seven".