117692305 has 4 divisors (see below), whose sum is σ = 141230772. Its totient is φ = 94153840.

The previous prime is 117692303. The next prime is 117692347. The reversal of 117692305 is 503296711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 503296711 = 29 ⋅17355059.

It can be written as a sum of positive squares in 2 ways, for example, as 27973521 + 89718784 = 5289^2 + 9472^2 .

It is not a de Polignac number, because 117692305 - 2¹ = 117692303 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117692303) 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, 11769226 + ... + 11769235.

It is an arithmetic number, because the mean of its divisors is an integer number (35307693).

Almost surely, 2^117692305 is an apocalyptic number.

It is an amenable number.

117692305 is a deficient number, since it is larger than the sum of its proper divisors (23538467).

117692305 is an equidigital number, since it uses as much as digits as its factorization.

117692305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23538466.

The product of its (nonzero) digits is 11340, while the sum is 34.

The square root of 117692305 is about 10848.6084361083. The cubic root of 117692305 is about 490.0601134080.

The spelling of 117692305 in words is "one hundred seventeen million, six hundred ninety-two thousand, three hundred five".