28965936764 has 12 divisors (see below), whose sum is σ = 50947702344. Its totient is φ = 14409450384.

The previous prime is 28965936757. The next prime is 28965936823. The reversal of 28965936764 is 46763956982.

It is a self number, because there is not a number n which added to its sum of digits gives 28965936764.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18378614 + ... + 18380189.

It is an arithmetic number, because the mean of its divisors is an integer number (4245641862).

Almost surely, 2^28965936764 is an apocalyptic number.

It is an amenable number.

28965936764 is a deficient number, since it is larger than the sum of its proper divisors (21981765580).

28965936764 is a wasteful number, since it uses less digits than its factorization.

28965936764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36759004 (or 36759002 counting only the distinct ones).

The product of its digits is 117573120, while the sum is 65.

The spelling of 28965936764 in words is "twenty-eight billion, nine hundred sixty-five million, nine hundred thirty-six thousand, seven hundred sixty-four".