28328280004 has 48 divisors (see below), whose sum is σ = 56539800576. Its totient is φ = 12339993600.

The previous prime is 28328279999. The next prime is 28328280007. The reversal of 28328280004 is 40008282382.

It is not an unprimeable number, because it can be changed into a prime (28328280007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 243657 + ... + 340624.

It is an arithmetic number, because the mean of its divisors is an integer number (1177912512).

Almost surely, 2^28328280004 is an apocalyptic number.

It is an amenable number.

28328280004 is a deficient number, since it is larger than the sum of its proper divisors (28211520572).

28328280004 is a wasteful number, since it uses less digits than its factorization.

28328280004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584356 (or 584354 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 37.

The spelling of 28328280004 in words is "twenty-eight billion, three hundred twenty-eight million, two hundred eighty thousand, four".