117297347 has 4 divisors (see below), whose sum is σ = 118506696. Its totient is φ = 116088000.

The previous prime is 117297319. The next prime is 117297353. The reversal of 117297347 is 743792711.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 117297347 - 2¹⁰ = 117296323 is a prime.

It is a super-2 number, since 2×117297347² = 27517335226476818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117297377) 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, 604529 + ... + 604722.

It is an arithmetic number, because the mean of its divisors is an integer number (29626674).

Almost surely, 2^117297347 is an apocalyptic number.

117297347 is a deficient number, since it is larger than the sum of its proper divisors (1209349).

117297347 is an equidigital number, since it uses as much as digits as its factorization.

117297347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1209348.

The product of its digits is 74088, while the sum is 41.

The square root of 117297347 is about 10830.3899745115. The cubic root of 117297347 is about 489.5113092507.

The spelling of 117297347 in words is "one hundred seventeen million, two hundred ninety-seven thousand, three hundred forty-seven".