28603031604 has 48 divisors (see below), whose sum is σ = 80289216000. Its totient is φ = 7742173536.

The previous prime is 28603031593. The next prime is 28603031617. The reversal of 28603031604 is 40613030682.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 8959254 + ... + 8962445.

It is an arithmetic number, because the mean of its divisors is an integer number (1672692000).

Almost surely, 2^28603031604 is an apocalyptic number.

It is an amenable number.

28603031604 is an abundant number, since it is smaller than the sum of its proper divisors (51686184396).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28603031604 is a wasteful number, since it uses less digits than its factorization.

28603031604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17921732 (or 17921730 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The spelling of 28603031604 in words is "twenty-eight billion, six hundred three million, thirty-one thousand, six hundred four".