28797582724 has 12 divisors (see below), whose sum is σ = 51002948304. Its totient is φ = 14225311784.

The previous prime is 28797582703. The next prime is 28797582733. The reversal of 28797582724 is 42728579782.

It is a happy number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 43369522 + ... + 43370185.

It is an arithmetic number, because the mean of its divisors is an integer number (4250245692).

Almost surely, 2^28797582724 is an apocalyptic number.

It is an amenable number.

28797582724 is a deficient number, since it is larger than the sum of its proper divisors (22205365580).

28797582724 is a wasteful number, since it uses less digits than its factorization.

28797582724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86739794 (or 86739792 counting only the distinct ones).

The product of its digits is 31610880, while the sum is 61.

The spelling of 28797582724 in words is "twenty-eight billion, seven hundred ninety-seven million, five hundred eighty-two thousand, seven hundred twenty-four".