28340379603 has 16 divisors (see below), whose sum is σ = 42697372800. Its totient is φ = 18573355080.

The previous prime is 28340379589. The next prime is 28340379643. The reversal of 28340379603 is 30697304382.

28340379603 is a `hidden beast` number, since 2 + 8 + 3 + 4 + 0 + 37 + 9 + 603 = 666.

It is not a de Polignac number, because 28340379603 - 2⁶ = 28340379539 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28340379643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8893693 + ... + 8896878.

It is an arithmetic number, because the mean of its divisors is an integer number (2668585800).

Almost surely, 2^28340379603 is an apocalyptic number.

28340379603 is a deficient number, since it is larger than the sum of its proper divisors (14356993197).

28340379603 is a wasteful number, since it uses less digits than its factorization.

28340379603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17790639 (or 17790633 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 45.

The spelling of 28340379603 in words is "twenty-eight billion, three hundred forty million, three hundred seventy-nine thousand, six hundred three".