117637338289 has 9 divisors (see below), whose sum is σ = 121843978347. Its totient is φ = 113571274824.

The previous prime is 117637338281. The next prime is 117637338317. The reversal of 117637338289 is 982833736711.

It is a happy number.

The square root of 117637338289 is 342983.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 61686166689 + 55951171600 = 248367^2 + 236540^2 .

It is not a de Polignac number, because 117637338289 - 2³ = 117637338281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117637338281) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 9940594 + ... + 9952420.

Almost surely, 2^117637338289 is an apocalyptic number.

117637338289 is the 342983-rd square number.

117637338289 is the 171492-nd centered octagonal number.

It is an amenable number.

117637338289 is a deficient number, since it is larger than the sum of its proper divisors (4206640058).

117637338289 is an frugal number, since it uses more digits than its factorization.

117637338289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23712 (or 11856 counting only the distinct ones).

The product of its digits is 9144576, while the sum is 58.

The spelling of 117637338289 in words is "one hundred seventeen billion, six hundred thirty-seven million, three hundred thirty-eight thousand, two hundred eighty-nine".