28314992704 has 28 divisors (see below), whose sum is σ = 56545466284. Its totient is φ = 14067316224.

The previous prime is 28314992681. The next prime is 28314992759. The reversal of 28314992704 is 40729941382.

It can be written as a sum of positive squares in 2 ways, for example, as 19768360000 + 8546632704 = 140600^2 + 92448^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1398939 + ... + 1419034.

Almost surely, 2^28314992704 is an apocalyptic number.

It is an amenable number.

28314992704 is a deficient number, since it is larger than the sum of its proper divisors (28230473580).

28314992704 is a wasteful number, since it uses less digits than its factorization.

28314992704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2818142 (or 2818132 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 49.

The spelling of 28314992704 in words is "twenty-eight billion, three hundred fourteen million, nine hundred ninety-two thousand, seven hundred four".