28885745858716 has 48 divisors (see below), whose sum is σ = 51607661898240. Its totient is φ = 14142820446720.

The previous prime is 28885745858687. The next prime is 28885745858719. The reversal of 28885745858716 is 61785854758882.

It is a self number, because there is not a number n which added to its sum of digits gives 28885745858716.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28885745858719) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1166287365 + ... + 1166312131.

It is an arithmetic number, because the mean of its divisors is an integer number (1075159622880).

Almost surely, 2^{28885745858716} is an apocalyptic number.

It is an amenable number.

28885745858716 is a deficient number, since it is larger than the sum of its proper divisors (22721916039524).

28885745858716 is a wasteful number, since it uses less digits than its factorization.

28885745858716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45934 (or 45932 counting only the distinct ones).

The product of its digits is 9633792000, while the sum is 82.

The spelling of 28885745858716 in words is "twenty-eight trillion, eight hundred eighty-five billion, seven hundred forty-five million, eight hundred fifty-eight thousand, seven hundred sixteen".