218082873 has 8 divisors (see below), whose sum is σ = 291859200. Its totient is φ = 144847568.

The previous prime is 218082857. The next prime is 218082877. The reversal of 218082873 is 378280812.

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 218082873 - 2⁴ = 218082857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (218082877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134313 + ... + 135926.

It is an arithmetic number, because the mean of its divisors is an integer number (36482400).

Almost surely, 2^218082873 is an apocalyptic number.

It is an amenable number.

218082873 is a deficient number, since it is larger than the sum of its proper divisors (73776327).

218082873 is a wasteful number, since it uses less digits than its factorization.

218082873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270511.

The product of its (nonzero) digits is 43008, while the sum is 39.

The square root of 218082873 is about 14767.6292274691. The cubic root of 218082873 is about 601.9224200347.

The spelling of 218082873 in words is "two hundred eighteen million, eighty-two thousand, eight hundred seventy-three".