11873879888 has 20 divisors (see below), whose sum is σ = 24775307508. Its totient is φ = 5480252160.

The previous prime is 11873879887. The next prime is 11873879903. The reversal of 11873879888 is 88897837811.

It can be written as a sum of positive squares in 2 ways, for example, as 1900262464 + 9973617424 = 43592^2 + 99868^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11873879887) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28542773 + ... + 28543188.

Almost surely, 2^11873879888 is an apocalyptic number.

It is an amenable number.

11873879888 is an abundant number, since it is smaller than the sum of its proper divisors (12901427620).

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

11873879888 is a wasteful number, since it uses less digits than its factorization.

11873879888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57085982 (or 57085976 counting only the distinct ones).

The product of its digits is 43352064, while the sum is 68.

The spelling of 11873879888 in words is "eleven billion, eight hundred seventy-three million, eight hundred seventy-nine thousand, eight hundred eighty-eight".