28588873116 has 12 divisors (see below), whose sum is σ = 66707370632. Its totient is φ = 9529624368.

The previous prime is 28588873097. The next prime is 28588873141. The reversal of 28588873116 is 61137888582.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1191203035 + ... + 1191203058.

Almost surely, 2^28588873116 is an apocalyptic number.

It is an amenable number.

28588873116 is an abundant number, since it is smaller than the sum of its proper divisors (38118497516).

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

28588873116 is a wasteful number, since it uses less digits than its factorization.

28588873116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2382406100 (or 2382406098 counting only the distinct ones).

The product of its digits is 5160960, while the sum is 57.

The spelling of 28588873116 in words is "twenty-eight billion, five hundred eighty-eight million, eight hundred seventy-three thousand, one hundred sixteen".