888840081 has 16 divisors (see below), whose sum is σ = 1317772800. Its totient is φ = 592122384.

The previous prime is 888840079. The next prime is 888840101. The reversal of 888840081 is 180048888.

It is not a de Polignac number, because 888840081 - 2¹ = 888840079 is a prime.

It is a super-2 number, since 2×888840081² = 1580073379184173122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (888840031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27415 + ... + 50291.

It is an arithmetic number, because the mean of its divisors is an integer number (82360800).

Almost surely, 2^888840081 is an apocalyptic number.

It is an amenable number.

888840081 is a deficient number, since it is larger than the sum of its proper divisors (428932719).

888840081 is a wasteful number, since it uses less digits than its factorization.

888840081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24325 (or 24319 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 45.

The square root of 888840081 is about 29813.4211555802. The cubic root of 888840081 is about 961.4821149270.

The spelling of 888840081 in words is "eight hundred eighty-eight million, eight hundred forty thousand, eighty-one".