117671270989 has 4 divisors (see below), whose sum is σ = 118836333180. Its totient is φ = 116506208800.

The previous prime is 117671270929. The next prime is 117671270999. The reversal of 117671270989 is 989072176711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 989072176711 = 4937 ⋅200338703.

It can be written as a sum of positive squares in 2 ways, for example, as 116492516100 + 1178754889 = 341310^2 + 34333^2 .

It is a cyclic number.

It is not a de Polignac number, because 117671270989 - 2⁷ = 117671270861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117671270929) 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, 582530944 + ... + 582531145.

It is an arithmetic number, because the mean of its divisors is an integer number (29709083295).

Almost surely, 2^117671270989 is an apocalyptic number.

It is an amenable number.

117671270989 is a deficient number, since it is larger than the sum of its proper divisors (1165062191).

117671270989 is a wasteful number, since it uses less digits than its factorization.

117671270989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1165062190.

The product of its (nonzero) digits is 2667168, while the sum is 58.

The spelling of 117671270989 in words is "one hundred seventeen billion, six hundred seventy-one million, two hundred seventy thousand, nine hundred eighty-nine".