28808386244 has 24 divisors (see below), whose sum is σ = 55751229408. Its totient is φ = 12915339840.

The previous prime is 28808386219. The next prime is 28808386267. The reversal of 28808386244 is 44268380882.

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 7 ways as a sum of consecutive naturals, for example, 4481282 + ... + 4487705.

It is an arithmetic number, because the mean of its divisors is an integer number (2322967892).

Almost surely, 2^28808386244 is an apocalyptic number.

It is an amenable number.

28808386244 is a deficient number, since it is larger than the sum of its proper divisors (26942843164).

28808386244 is a wasteful number, since it uses less digits than its factorization.

28808386244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8969075 (or 8969073 counting only the distinct ones).

The product of its (nonzero) digits is 4718592, while the sum is 53.

The spelling of 28808386244 in words is "twenty-eight billion, eight hundred eight million, three hundred eighty-six thousand, two hundred forty-four".