218278883 has 2 divisors, whose sum is σ = 218278884. Its totient is φ = 218278882.

The previous prime is 218278871. The next prime is 218278889. The reversal of 218278883 is 388872812.

218278883 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 218278883 - 2¹⁰ = 218277859 is a prime.

It is not a weakly prime, because it can be changed into another prime (218278889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 109139441 + 109139442.

It is an arithmetic number, because the mean of its divisors is an integer number (109139442).

Almost surely, 2^218278883 is an apocalyptic number.

218278883 is a deficient number, since it is larger than the sum of its proper divisors (1).

218278883 is an equidigital number, since it uses as much as digits as its factorization.

218278883 is an evil number, because the sum of its binary digits is even.

The product of its digits is 344064, while the sum is 47.

The square root of 218278883 is about 14774.2642117975. The cubic root of 218278883 is about 602.1026993362.

The spelling of 218278883 in words is "two hundred eighteen million, two hundred seventy-eight thousand, eight hundred eighty-three".