117345385 has 8 divisors (see below), whose sum is σ = 145357056. Its totient is φ = 90847920.

The previous prime is 117345331. The next prime is 117345391. The reversal of 117345385 is 583543711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 117345385 - 2¹³ = 117337193 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 378379 + ... + 378688.

It is an arithmetic number, because the mean of its divisors is an integer number (18169632).

Almost surely, 2^117345385 is an apocalyptic number.

It is an amenable number.

117345385 is a deficient number, since it is larger than the sum of its proper divisors (28011671).

117345385 is an equidigital number, since it uses as much as digits as its factorization.

117345385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 757103.

The product of its digits is 50400, while the sum is 37.

The square root of 117345385 is about 10832.6074885043. The cubic root of 117345385 is about 489.5781250127.

The spelling of 117345385 in words is "one hundred seventeen million, three hundred forty-five thousand, three hundred eighty-five".