117730022917 has 4 divisors (see below), whose sum is σ = 126786178540. Its totient is φ = 108673867296.

The previous prime is 117730022909. The next prime is 117730022929. The reversal of 117730022917 is 719220037711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 719220037711 = 7 ⋅102745719673.

It can be written as a sum of positive squares in 2 ways, for example, as 23987504641 + 93742518276 = 154879^2 + 306174^2 .

It is a cyclic number.

It is not a de Polignac number, because 117730022917 - 2³ = 117730022909 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 117730022917.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117730022947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4528077792 + ... + 4528077817.

It is an arithmetic number, because the mean of its divisors is an integer number (31696544635).

Almost surely, 2^117730022917 is an apocalyptic number.

It is an amenable number.

117730022917 is a deficient number, since it is larger than the sum of its proper divisors (9056155623).

117730022917 is an equidigital number, since it uses as much as digits as its factorization.

117730022917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9056155622.

The product of its (nonzero) digits is 37044, while the sum is 40.

The spelling of 117730022917 in words is "one hundred seventeen billion, seven hundred thirty million, twenty-two thousand, nine hundred seventeen".