117391747 has 16 divisors (see below), whose sum is σ = 140670720. Its totient is φ = 96703200.

The previous prime is 117391741. The next prime is 117391751. The reversal of 117391747 is 747193711.

It is not a de Polignac number, because 117391747 - 2⁷ = 117391619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117391741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7404 + ... + 17017.

It is an arithmetic number, because the mean of its divisors is an integer number (8791920).

Almost surely, 2^117391747 is an apocalyptic number.

117391747 is a deficient number, since it is larger than the sum of its proper divisors (23278973).

117391747 is a wasteful number, since it uses less digits than its factorization.

117391747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24474.

The product of its digits is 37044, while the sum is 40.

The square root of 117391747 is about 10834.7472051728. The cubic root of 117391747 is about 489.6425923470.

The spelling of 117391747 in words is "one hundred seventeen million, three hundred ninety-one thousand, seven hundred forty-seven".