117285277 has 6 divisors (see below), whose sum is σ = 117793374. Its totient is φ = 116779320.

The previous prime is 117285247. The next prime is 117285293. The reversal of 117285277 is 772582711.

It can be written as a sum of positive squares in only one way, i.e., 84897796 + 32387481 = 9214^2 + 5691^2 .

It is not a de Polignac number, because 117285277 - 2⁷ = 117285149 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 (117285247) 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 5 ways as a sum of consecutive naturals, for example, 72643 + ... + 74239.

It is an arithmetic number, because the mean of its divisors is an integer number (19632229).

Almost surely, 2^117285277 is an apocalyptic number.

It is an amenable number.

117285277 is a deficient number, since it is larger than the sum of its proper divisors (508097).

117285277 is an frugal number, since it uses more digits than its factorization.

117285277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2139 (or 1868 counting only the distinct ones).

The product of its digits is 54880, while the sum is 40.

The square root of 117285277 is about 10829.8327318569. The cubic root of 117285277 is about 489.4945182936.

The spelling of 117285277 in words is "one hundred seventeen million, two hundred eighty-five thousand, two hundred seventy-seven".