117278753 has 4 divisors (see below), whose sum is σ = 117702420. Its totient is φ = 116855088.

The previous prime is 117278747. The next prime is 117278761. The reversal of 117278753 is 357872711.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 57942544 + 59336209 = 7612^2 + 7703^2 .

It is a cyclic number.

It is not a de Polignac number, because 117278753 - 2¹² = 117274657 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 117278753.

It is not an unprimeable number, because it can be changed into a prime (117278353) 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, 211418 + ... + 211971.

It is an arithmetic number, because the mean of its divisors is an integer number (29425605).

Almost surely, 2^117278753 is an apocalyptic number.

It is an amenable number.

117278753 is a deficient number, since it is larger than the sum of its proper divisors (423667).

117278753 is an equidigital number, since it uses as much as digits as its factorization.

117278753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423666.

The product of its digits is 82320, while the sum is 41.

The square root of 117278753 is about 10829.5315226468. The cubic root of 117278753 is about 489.4854420721.

The spelling of 117278753 in words is "one hundred seventeen million, two hundred seventy-eight thousand, seven hundred fifty-three".