8869138044 has 24 divisors (see below), whose sum is σ = 22286552400. Its totient is φ = 2728965504.

The previous prime is 8869138043. The next prime is 8869138097. The reversal of 8869138044 is 4408319688.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8869138043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28426569 + ... + 28426880.

It is an arithmetic number, because the mean of its divisors is an integer number (928606350).

Almost surely, 2^8869138044 is an apocalyptic number.

It is an amenable number.

8869138044 is an abundant number, since it is smaller than the sum of its proper divisors (13417414356).

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

8869138044 is a wasteful number, since it uses less digits than its factorization.

8869138044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56853469 (or 56853467 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 51.

The square root of 8869138044 is about 94176.1012359293. The cubic root of 8869138044 is about 2069.9529378551.

The spelling of 8869138044 in words is "eight billion, eight hundred sixty-nine million, one hundred thirty-eight thousand, forty-four".