117999671 has 16 divisors (see below), whose sum is σ = 129715200. Its totient is φ = 106920000.

The previous prime is 117999653. The next prime is 117999743. The reversal of 117999671 is 176999711.

It is a cyclic number.

It is not a de Polignac number, because 117999671 - 2¹⁴ = 117983287 is a prime.

It is a super-2 number, since 2×117999671² = 27847844712216482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117999631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51296 + ... + 53546.

It is an arithmetic number, because the mean of its divisors is an integer number (8107200).

Almost surely, 2^117999671 is an apocalyptic number.

117999671 is a deficient number, since it is larger than the sum of its proper divisors (11715529).

117999671 is a wasteful number, since it uses less digits than its factorization.

117999671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2390.

The product of its digits is 214326, while the sum is 50.

The square root of 117999671 is about 10862.7653477372. The cubic root of 117999671 is about 490.4863573041.

The spelling of 117999671 in words is "one hundred seventeen million, nine hundred ninety-nine thousand, six hundred seventy-one".