117347907 has 4 divisors (see below), whose sum is σ = 156463880. Its totient is φ = 78231936.

The previous prime is 117347899. The next prime is 117347921. The reversal of 117347907 is 709743711.

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

It is not a de Polignac number, because 117347907 - 2³ = 117347899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117347947) 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, 19557982 + ... + 19557987.

It is an arithmetic number, because the mean of its divisors is an integer number (39115970).

Almost surely, 2^117347907 is an apocalyptic number.

117347907 is a deficient number, since it is larger than the sum of its proper divisors (39115973).

117347907 is an equidigital number, since it uses as much as digits as its factorization.

117347907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39115972.

The product of its (nonzero) digits is 37044, while the sum is 39.

The square root of 117347907 is about 10832.7238956783. The cubic root of 117347907 is about 489.5816323434.

The spelling of 117347907 in words is "one hundred seventeen million, three hundred forty-seven thousand, nine hundred seven".