28073824976 has 20 divisors (see below), whose sum is σ = 54484779492. Its totient is φ = 14013236736.

The previous prime is 28073824949. The next prime is 28073824981. The reversal of 28073824976 is 67942837082.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 20793640000 + 7280184976 = 144200^2 + 85324^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1469951 + ... + 1488926.

Almost surely, 2^28073824976 is an apocalyptic number.

It is an amenable number.

28073824976 is a deficient number, since it is larger than the sum of its proper divisors (26410954516).

28073824976 is a wasteful number, since it uses less digits than its factorization.

28073824976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2959478 (or 2959472 counting only the distinct ones).

The product of its (nonzero) digits is 8128512, while the sum is 56.

The spelling of 28073824976 in words is "twenty-eight billion, seventy-three million, eight hundred twenty-four thousand, nine hundred seventy-six".