117866671 has 16 divisors (see below), whose sum is σ = 134041600. Its totient is φ = 102744288.

The previous prime is 117866669. The next prime is 117866699. The reversal of 117866671 is 176668711.

It is a cyclic number.

It is not a de Polignac number, because 117866671 - 2¹ = 117866669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117866621) 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, 107890 + ... + 108976.

It is an arithmetic number, because the mean of its divisors is an integer number (8377600).

Almost surely, 2^117866671 is an apocalyptic number.

117866671 is a deficient number, since it is larger than the sum of its proper divisors (16174929).

117866671 is a wasteful number, since it uses less digits than its factorization.

117866671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1558.

The product of its digits is 84672, while the sum is 43.

The square root of 117866671 is about 10856.6417920092. The cubic root of 117866671 is about 490.3020087392.

The spelling of 117866671 in words is "one hundred seventeen million, eight hundred sixty-six thousand, six hundred seventy-one".