28688852312 has 8 divisors (see below), whose sum is σ = 53791598100. Its totient is φ = 14344426152.

The previous prime is 28688852303. The next prime is 28688852329. The reversal of 28688852312 is 21325888682.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1793053262 + ... + 1793053277.

Almost surely, 2^28688852312 is an apocalyptic number.

It is an amenable number.

28688852312 is a deficient number, since it is larger than the sum of its proper divisors (25102745788).

28688852312 is a wasteful number, since it uses less digits than its factorization.

28688852312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3586106545 (or 3586106541 counting only the distinct ones).

The product of its digits is 2949120, while the sum is 53.

The spelling of 28688852312 in words is "twenty-eight billion, six hundred eighty-eight million, eight hundred fifty-two thousand, three hundred twelve".