28328352344 has 32 divisors (see below), whose sum is σ = 55342602000. Its totient is φ = 13577354112.

The previous prime is 28328352337. The next prime is 28328352361. The reversal of 28328352344 is 44325382382.

It is a junction number, because it is equal to n+sod(n) for n = 28328352295 and 28328352304.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 406979 + ... + 471474.

Almost surely, 2^28328352344 is an apocalyptic number.

It is an amenable number.

28328352344 is a deficient number, since it is larger than the sum of its proper divisors (27014249656).

28328352344 is a wasteful number, since it uses less digits than its factorization.

28328352344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 878627 (or 878623 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 44.

The spelling of 28328352344 in words is "twenty-eight billion, three hundred twenty-eight million, three hundred fifty-two thousand, three hundred forty-four".