28338736756 has 72 divisors (see below), whose sum is σ = 55273544480. Its totient is φ = 12702381120.

The previous prime is 28338736669. The next prime is 28338736787. The reversal of 28338736756 is 65763783382.

It is a self number, because there is not a number n which added to its sum of digits gives 28338736756.

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 23 ways as a sum of consecutive naturals, for example, 10560991 + ... + 10563673.

Almost surely, 2^28338736756 is an apocalyptic number.

It is an amenable number.

28338736756 is a deficient number, since it is larger than the sum of its proper divisors (26934807724).

28338736756 is a wasteful number, since it uses less digits than its factorization.

28338736756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3005 (or 2992 counting only the distinct ones).

The product of its digits is 30481920, while the sum is 58.

The spelling of 28338736756 in words is "twenty-eight billion, three hundred thirty-eight million, seven hundred thirty-six thousand, seven hundred fifty-six".