8889939936 has 72 divisors (see below), whose sum is σ = 26096301504. Its totient is φ = 2867719680.

The previous prime is 8889939881. The next prime is 8889939941. The reversal of 8889939936 is 6399399888.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (72).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 488941 + ... + 506796.

It is an arithmetic number, because the mean of its divisors is an integer number (362448632).

Almost surely, 2^8889939936 is an apocalyptic number.

It is an amenable number.

8889939936 is an abundant number, since it is smaller than the sum of its proper divisors (17206361568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8889939936 is a wasteful number, since it uses less digits than its factorization.

8889939936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 995784 (or 995773 counting only the distinct ones).

The product of its digits is 181398528, while the sum is 72.

The square root of 8889939936 is about 94286.4780124913. The cubic root of 8889939936 is about 2071.5699802785.

The spelling of 8889939936 in words is "eight billion, eight hundred eighty-nine million, nine hundred thirty-nine thousand, nine hundred thirty-six".