117797909089 has 9 divisors (see below), whose sum is σ = 137033015601. Its totient is φ = 100967577060.

The previous prime is 117797909087. The next prime is 117797909153. The reversal of 117797909089 is 980909797711.

The square root of 117797909089 is 343217.

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

It is not a de Polignac number, because 117797909089 - 2¹ = 117797909087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117797909087) 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, 2378004 + ... + 2427034.

Almost surely, 2^117797909089 is an apocalyptic number.

117797909089 is the 343217-th square number.

117797909089 is the 171609-th centered octagonal number.

It is an amenable number.

117797909089 is a deficient number, since it is larger than the sum of its proper divisors (19235106512).

117797909089 is an frugal number, since it uses more digits than its factorization.

117797909089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98076 (or 49038 counting only the distinct ones).

The product of its (nonzero) digits is 18003384, while the sum is 67.

The spelling of 117797909089 in words is "one hundred seventeen billion, seven hundred ninety-seven million, nine hundred nine thousand, eighty-nine".