117744497 has 12 divisors (see below), whose sum is σ = 130615884. Its totient is φ = 106030080.

The previous prime is 117744491. The next prime is 117744509. The reversal of 117744497 is 794447711.

It can be written as a sum of positive squares in 6 ways, for example, as 69288976 + 48455521 = 8324^2 + 6961^2 .

It is not a de Polignac number, because 117744497 - 2⁴ = 117744481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117744491) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1568 + ... + 15425.

It is an arithmetic number, because the mean of its divisors is an integer number (10884657).

Almost surely, 2^117744497 is an apocalyptic number.

It is an amenable number.

117744497 is a deficient number, since it is larger than the sum of its proper divisors (12871387).

117744497 is a wasteful number, since it uses less digits than its factorization.

117744497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17060 (or 17047 counting only the distinct ones).

The product of its digits is 197568, while the sum is 44.

The square root of 117744497 is about 10851.0136392873. The cubic root of 117744497 is about 490.1325436249.

The spelling of 117744497 in words is "one hundred seventeen million, seven hundred forty-four thousand, four hundred ninety-seven".