117372704409 has 9 divisors (see below), whose sum is σ = 169539835413. Its totient is φ = 78247784412.

The previous prime is 117372704399. The next prime is 117372704419. The reversal of 117372704409 is 904407273711.

The square root of 117372704409 is 342597.

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

117372704409 is a `hidden beast` number, since 1 + 1 + 73 + 72 + 70 + 440 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (117372704399) and next prime (117372704419).

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 117372704409 - 2⁵ = 117372704377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (117372704419) 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, 970692 + ... + 1084890.

Almost surely, 2^117372704409 is an apocalyptic number.

117372704409 is the 342597-th square number.

117372704409 is the 171299-th centered octagonal number.

It is an amenable number.

117372704409 is a deficient number, since it is larger than the sum of its proper divisors (52167131004).

117372704409 is an frugal number, since it uses more digits than its factorization.

117372704409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228404 (or 114202 counting only the distinct ones).

The product of its (nonzero) digits is 296352, while the sum is 45.

The spelling of 117372704409 in words is "one hundred seventeen billion, three hundred seventy-two million, seven hundred four thousand, four hundred nine".