117582467409 has 27 divisors (see below), whose sum is σ = 186703079017. Its totient is φ = 71255243400.

The previous prime is 117582467399. The next prime is 117582467437. The reversal of 117582467409 is 904764285711.

The square root of 117582467409 is 342903.

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

117582467409 is a `hidden beast` number, since 1 + 17 + 582 + 4 + 6 + 7 + 40 + 9 = 666.

It is not a de Polignac number, because 117582467409 - 2²⁹ = 117045596497 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (117582467459) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 11310604 + ... + 11320994.

Almost surely, 2^117582467409 is an apocalyptic number.

117582467409 is the 342903-rd square number.

117582467409 is the 171452-nd centered octagonal number.

It is an amenable number.

117582467409 is a deficient number, since it is larger than the sum of its proper divisors (69120611608).

117582467409 is an frugal number, since it uses more digits than its factorization.

117582467409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20810 (or 10405 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 54.

The spelling of 117582467409 in words is "one hundred seventeen billion, five hundred eighty-two million, four hundred sixty-seven thousand, four hundred nine".