28608923489765 has 16 divisors (see below), whose sum is σ = 34351786699776. Its totient is φ = 22873088409600.

The previous prime is 28608923489753. The next prime is 28608923489791. The reversal of 28608923489765 is 56798432980682.

It is not a de Polignac number, because 28608923489765 - 2⁴ = 28608923489749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124428260 + ... + 124657970.

It is an arithmetic number, because the mean of its divisors is an integer number (2146986668736).

Almost surely, 2^{28608923489765} is an apocalyptic number.

It is an amenable number.

28608923489765 is a deficient number, since it is larger than the sum of its proper divisors (5742863210011).

28608923489765 is a wasteful number, since it uses less digits than its factorization.

28608923489765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244900.

The product of its (nonzero) digits is 2508226560, while the sum is 77.

The spelling of 28608923489765 in words is "twenty-eight trillion, six hundred eight billion, nine hundred twenty-three million, four hundred eighty-nine thousand, seven hundred sixty-five".