355218117 has 8 divisors (see below), whose sum is σ = 473712096. Its totient is φ = 236768112.

The previous prime is 355218109. The next prime is 355218131. The reversal of 355218117 is 711812553.

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

It is not a de Polignac number, because 355218117 - 2³ = 355218109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (355218197) 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 7 ways as a sum of consecutive naturals, for example, 22038 + ... + 34584.

It is an arithmetic number, because the mean of its divisors is an integer number (59214012).

Almost surely, 2^355218117 is an apocalyptic number.

It is an amenable number.

355218117 is a deficient number, since it is larger than the sum of its proper divisors (118493979).

355218117 is a wasteful number, since it uses less digits than its factorization.

355218117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21987.

The product of its digits is 8400, while the sum is 33.

The square root of 355218117 is about 18847.2310167833. The cubic root of 355218117 is about 708.2148614534.

The spelling of 355218117 in words is "three hundred fifty-five million, two hundred eighteen thousand, one hundred seventeen".