888381801 has 24 divisors (see below), whose sum is σ = 1360012680. Its totient is φ = 556878336.

The previous prime is 888381799. The next prime is 888381829. The reversal of 888381801 is 108183888.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 795240000 + 93141801 = 28200^2 + 9651^2 .

It is not a de Polignac number, because 888381801 - 2¹ = 888381799 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (888388801) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 207955 + ... + 212183.

It is an arithmetic number, because the mean of its divisors is an integer number (56667195).

Almost surely, 2^888381801 is an apocalyptic number.

It is an amenable number.

888381801 is a deficient number, since it is larger than the sum of its proper divisors (471630879).

888381801 is a wasteful number, since it uses less digits than its factorization.

888381801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5625 (or 5622 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 45.

The square root of 888381801 is about 29805.7343643803. The cubic root of 888381801 is about 961.3168419369.

The spelling of 888381801 in words is "eight hundred eighty-eight million, three hundred eighty-one thousand, eight hundred one".