117417279 has 12 divisors (see below), whose sum is σ = 182116824. Its totient is φ = 67095504.

The previous prime is 117417269. The next prime is 117417301. The reversal of 117417279 is 972714711.

It is not a de Polignac number, because 117417279 - 2⁷ = 117417151 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117417269) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 399232 + ... + 399525.

It is an arithmetic number, because the mean of its divisors is an integer number (15176402).

Almost surely, 2^117417279 is an apocalyptic number.

117417279 is a deficient number, since it is larger than the sum of its proper divisors (64699545).

117417279 is an equidigital number, since it uses as much as digits as its factorization.

117417279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798774 (or 798767 counting only the distinct ones).

The product of its digits is 24696, while the sum is 39.

The square root of 117417279 is about 10835.9253873400. The cubic root of 117417279 is about 489.6780878815.

The spelling of 117417279 in words is "one hundred seventeen million, four hundred seventeen thousand, two hundred seventy-nine".