198888883 has 2 divisors, whose sum is σ = 198888884. Its totient is φ = 198888882.

The previous prime is 198888857. The next prime is 198888887. The reversal of 198888883 is 388888891.

It is a strong prime.

It is an emirp because it is prime and its reverse (388888891) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 198888883 - 2²⁵ = 165334451 is a prime.

It is not a weakly prime, because it can be changed into another prime (198888887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99444441 + 99444442.

It is an arithmetic number, because the mean of its divisors is an integer number (99444442).

Almost surely, 2^198888883 is an apocalyptic number.

198888883 is a deficient number, since it is larger than the sum of its proper divisors (1).

198888883 is an equidigital number, since it uses as much as digits as its factorization.

198888883 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7077888, while the sum is 61.

The square root of 198888883 is about 14102.7969920864. The cubic root of 198888883 is about 583.7185606368.

It can be divided in two parts, 19888888 and 3, that added together give a palindrome (19888891).

The spelling of 198888883 in words is "one hundred ninety-eight million, eight hundred eighty-eight thousand, eight hundred eighty-three".