338878888889 has 2 divisors, whose sum is σ = 338878888890. Its totient is φ = 338878888888.

The previous prime is 338878888877. The next prime is 338878888919. The reversal of 338878888889 is 988888878833.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 186876373264 + 152002515625 = 432292^2 + 389875^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-338878888889 is a prime.

It is a super-2 number, since 2×338878888889² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 338878888889.

It is not a weakly prime, because it can be changed into another prime (338878888189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169439444444 + 169439444445.

It is an arithmetic number, because the mean of its divisors is an integer number (169439444445).

Almost surely, 2^338878888889 is an apocalyptic number.

It is an amenable number.

338878888889 is a deficient number, since it is larger than the sum of its proper divisors (1).

338878888889 is an equidigital number, since it uses as much as digits as its factorization.

338878888889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9512681472, while the sum is 86.

The spelling of 338878888889 in words is "three hundred thirty-eight billion, eight hundred seventy-eight million, eight hundred eighty-eight thousand, eight hundred eighty-nine".