888888888888890 has 8 divisors (see below), whose sum is σ = 1600000000000020. Its totient is φ = 355555555555552.

The previous prime is 888888888888883. The next prime is 888888888888907. The reversal of 888888888888890 is 98888888888888.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 846155434740001 + 42733454148889 = 29088751^2 + 6537083^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44444444444435 + ... + 44444444444454.

Almost surely, 2^{888888888888890} is an apocalyptic number.

888888888888890 is a deficient number, since it is larger than the sum of its proper divisors (711111111111130).

888888888888890 is a wasteful number, since it uses less digits than its factorization.

888888888888890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88888888888896.

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

The spelling of 888888888888890 in words is "eight hundred eighty-eight trillion, eight hundred eighty-eight billion, eight hundred eighty-eight million, eight hundred eighty-eight thousand, eight hundred ninety".