28740579808 has 48 divisors (see below), whose sum is σ = 56887971840. Its totient is φ = 14292992896.

The previous prime is 28740579793. The next prime is 28740579871. The reversal of 28740579808 is 80897504782.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8434041 + ... + 8437447.

It is an arithmetic number, because the mean of its divisors is an integer number (1185166080).

Almost surely, 2^28740579808 is an apocalyptic number.

It is an amenable number.

28740579808 is a deficient number, since it is larger than the sum of its proper divisors (28147392032).

28740579808 is a wasteful number, since it uses less digits than its factorization.

28740579808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4759 (or 4751 counting only the distinct ones).

The product of its (nonzero) digits is 9031680, while the sum is 58.

The spelling of 28740579808 in words is "twenty-eight billion, seven hundred forty million, five hundred seventy-nine thousand, eight hundred eight".