8444888888 has 32 divisors (see below), whose sum is σ = 16039620000. Its totient is φ = 4167820800.

The previous prime is 8444888849. The next prime is 8444888897. The reversal of 8444888888 is 8888884448.

It is a happy number.

It is a super-2 number, since 2×8444888888² (a number of 21 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

8444888888 is a modest number, since divided by 88888 gives 84448 as remainder.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 416588 + ... + 436388.

It is an arithmetic number, because the mean of its divisors is an integer number (501238125).

Almost surely, 2^8444888888 is an apocalyptic number.

It is an amenable number.

8444888888 is a deficient number, since it is larger than the sum of its proper divisors (7594731112).

8444888888 is a wasteful number, since it uses less digits than its factorization.

8444888888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20495 (or 20491 counting only the distinct ones).

The product of its digits is 134217728, while the sum is 68.

The square root of 8444888888 is about 91896.0765647805. The cubic root of 8444888888 is about 2036.4073065489.

The spelling of 8444888888 in words is "eight billion, four hundred forty-four million, eight hundred eighty-eight thousand, eight hundred eighty-eight".