117886669 has 4 divisors (see below), whose sum is σ = 120394944. Its totient is φ = 115378396.

The previous prime is 117886667. The next prime is 117886679. The reversal of 117886669 is 966688711.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 966688711 = 97 ⋅9965863.

It is a cyclic number.

It is not a de Polignac number, because 117886669 - 2¹ = 117886667 is a prime.

It is a super-2 number, since 2×117886669² = 27794533455831122, 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 (117886667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1254067 + ... + 1254160.

It is an arithmetic number, because the mean of its divisors is an integer number (30098736).

Almost surely, 2^117886669 is an apocalyptic number.

It is an amenable number.

117886669 is a deficient number, since it is larger than the sum of its proper divisors (2508275).

117886669 is an equidigital number, since it uses as much as digits as its factorization.

117886669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2508274.

The product of its digits is 870912, while the sum is 52.

The square root of 117886669 is about 10857.5627559780. The cubic root of 117886669 is about 490.3297364109.

The spelling of 117886669 in words is "one hundred seventeen million, eight hundred eighty-six thousand, six hundred sixty-nine".