28965936696 has 96 divisors (see below), whose sum is σ = 79685088000. Its totient is φ = 8749363392.

The previous prime is 28965936691. The next prime is 28965936697. The reversal of 28965936696 is 69663956982.

It is a Harshad number since it is a multiple of its sum of digits (69).

It is a self number, because there is not a number n which added to its sum of digits gives 28965936696.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28965936691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 181185 + ... + 301263.

It is an arithmetic number, because the mean of its divisors is an integer number (830053000).

Almost surely, 2^28965936696 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28965936696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39842544000).

28965936696 is an abundant number, since it is smaller than the sum of its proper divisors (50719151304).

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

28965936696 is a wasteful number, since it uses less digits than its factorization.

28965936696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120153 (or 120126 counting only the distinct ones).

The product of its digits is 226748160, while the sum is 69.

The spelling of 28965936696 in words is "twenty-eight billion, nine hundred sixty-five million, nine hundred thirty-six thousand, six hundred ninety-six".