88888888888889 has 2 divisors, whose sum is σ = 88888888888890. Its totient is φ = 88888888888888.

The previous prime is 88888888888873. The next prime is 88888888888913. The reversal of 88888888888889 is 98888888888888.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65171988888889 + 23716900000000 = 8072917^2 + 4870000^2 .

It is a cyclic number.

It is not a de Polignac number, because 88888888888889 - 2⁴ = 88888888888873 is a prime.

It is a plaindrome in base 10.

It is not a weakly prime, because it can be changed into another prime (88888888887889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44444444444444 + 44444444444445.

It is an arithmetic number, because the mean of its divisors is an integer number (44444444444445).

Almost surely, 2^{88888888888889} is an apocalyptic number.

It is an amenable number.

88888888888889 is a deficient number, since it is larger than the sum of its proper divisors (1).

88888888888889 is an equidigital number, since it uses as much as digits as its factorization.

88888888888889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4947802324992, while the sum is 113.

Subtracting 88888888888889 from its reverse (98888888888888), we obtain a palindrome (9999999999999).

The spelling of 88888888888889 in words is "eighty-eight trillion, eight hundred eighty-eight billion, eight hundred eighty-eight million, eight hundred eighty-eight thousand, eight hundred eighty-nine".