117009747 has 12 divisors (see below), whose sum is σ = 169111800. Its totient is φ = 77961408.

The previous prime is 117009721. The next prime is 117009757. The reversal of 117009747 is 747900711.

It is not a de Polignac number, because 117009747 - 2¹⁴ = 116993363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (117009757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21883 + ... + 26699.

It is an arithmetic number, because the mean of its divisors is an integer number (14092650).

Almost surely, 2^117009747 is an apocalyptic number.

117009747 is a deficient number, since it is larger than the sum of its proper divisors (52102053).

117009747 is a wasteful number, since it uses less digits than its factorization.

117009747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7522 (or 7519 counting only the distinct ones).

The product of its (nonzero) digits is 12348, while the sum is 36.

The square root of 117009747 is about 10817.1043722431. The cubic root of 117009747 is about 489.1109061302.

The spelling of 117009747 in words is "one hundred seventeen million, nine thousand, seven hundred forty-seven".