117278255 has 8 divisors (see below), whose sum is σ = 141577632. Its totient is φ = 93260128.

The previous prime is 117278251. The next prime is 117278263. The reversal of 117278255 is 552872711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 117278255 - 2² = 117278251 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 (117278251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69392 + ... + 71061.

It is an arithmetic number, because the mean of its divisors is an integer number (17697204).

Almost surely, 2^117278255 is an apocalyptic number.

117278255 is a deficient number, since it is larger than the sum of its proper divisors (24299377).

117278255 is a wasteful number, since it uses less digits than its factorization.

117278255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140625.

The product of its digits is 39200, while the sum is 38.

The square root of 117278255 is about 10829.5085299380. The cubic root of 117278255 is about 489.4847492382.

The spelling of 117278255 in words is "one hundred seventeen million, two hundred seventy-eight thousand, two hundred fifty-five".