117774163 has 4 divisors (see below), whose sum is σ = 126833728. Its totient is φ = 108714600.

The previous prime is 117774149. The next prime is 117774169. The reversal of 117774163 is 361477711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 361477711 = 7 ⋅51639673.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117774163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117774169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4529763 + ... + 4529788.

It is an arithmetic number, because the mean of its divisors is an integer number (31708432).

Almost surely, 2^117774163 is an apocalyptic number.

117774163 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

117774163 is a deficient number, since it is larger than the sum of its proper divisors (9059565).

117774163 is an equidigital number, since it uses as much as digits as its factorization.

117774163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9059564.

The product of its digits is 24696, while the sum is 37.

The square root of 117774163 is about 10852.3805222633. The cubic root of 117774163 is about 490.1737035132.

The spelling of 117774163 in words is "one hundred seventeen million, seven hundred seventy-four thousand, one hundred sixty-three".