117517266 has 12 divisors (see below), whose sum is σ = 254620782. Its totient is φ = 39172416.

The previous prime is 117517181. The next prime is 117517273. The reversal of 117517266 is 662715711.

117517266 is a `hidden beast` number, since 117 + 517 + 26 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 86881041 + 30636225 = 9321^2 + 5535^2 .

It is a super-2 number, since 2×117517266² = 27620615616229512, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 117517266.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3264351 + ... + 3264386.

Almost surely, 2^117517266 is an apocalyptic number.

117517266 is an abundant number, since it is smaller than the sum of its proper divisors (137103516).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

117517266 is a wasteful number, since it uses less digits than its factorization.

117517266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6528745 (or 6528742 counting only the distinct ones).

The product of its digits is 17640, while the sum is 36.

The square root of 117517266 is about 10840.5380862760. The cubic root of 117517266 is about 489.8170440108.

The spelling of 117517266 in words is "one hundred seventeen million, five hundred seventeen thousand, two hundred sixty-six".