888888884445 has 40 divisors (see below), whose sum is σ = 1597095888696. Its totient is φ = 472979119104.

The previous prime is 888888884431. The next prime is 888888884467. The reversal of 888888884445 is 544488888888.

It can be written as a sum of positive squares in 4 ways, for example, as 297976644 + 888590907801 = 17262^2 + 942651^2 .

It is not a de Polignac number, because 888888884445 - 2⁶ = 888888884381 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (81).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2359032 + ... + 2709761.

Almost surely, 2^888888884445 is an apocalyptic number.

It is an amenable number.

888888884445 is a deficient number, since it is larger than the sum of its proper divisors (708207004251).

888888884445 is a wasteful number, since it uses less digits than its factorization.

888888884445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5069243 (or 5069234 counting only the distinct ones).

The product of its digits is 5368709120, while the sum is 81.

The spelling of 888888884445 in words is "eight hundred eighty-eight billion, eight hundred eighty-eight million, eight hundred eighty-four thousand, four hundred forty-five".