28935609852 has 12 divisors (see below), whose sum is σ = 67516423016. Its totient is φ = 9645203280.

The previous prime is 28935609823. The next prime is 28935609919. The reversal of 28935609852 is 25890653982.

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

It is a junction number, because it is equal to n+sod(n) for n = 28935609792 and 28935609801.

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, 1205650399 + ... + 1205650422.

Almost surely, 2^28935609852 is an apocalyptic number.

It is an amenable number.

28935609852 is an abundant number, since it is smaller than the sum of its proper divisors (38580813164).

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

28935609852 is a wasteful number, since it uses less digits than its factorization.

28935609852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2411300828 (or 2411300826 counting only the distinct ones).

The product of its (nonzero) digits is 9331200, while the sum is 57.

The spelling of 28935609852 in words is "twenty-eight billion, nine hundred thirty-five million, six hundred nine thousand, eight hundred fifty-two".