28735600688 has 10 divisors (see below), whose sum is σ = 55675226364. Its totient is φ = 14367800336.

The previous prime is 28735600687. The next prime is 28735600693. The reversal of 28735600688 is 88600653782.

It is not an unprimeable number, because it can be changed into a prime (28735600687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 897987506 + ... + 897987537.

Almost surely, 2^28735600688 is an apocalyptic number.

It is an amenable number.

28735600688 is a deficient number, since it is larger than the sum of its proper divisors (26939625676).

28735600688 is a wasteful number, since it uses less digits than its factorization.

28735600688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1795975051 (or 1795975045 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 53.

The spelling of 28735600688 in words is "twenty-eight billion, seven hundred thirty-five million, six hundred thousand, six hundred eighty-eight".