28604120203 has 8 divisors (see below), whose sum is σ = 28651834448. Its totient is φ = 28556436384.

The previous prime is 28604120197. The next prime is 28604120213. The reversal of 28604120203 is 30202140682.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28604120203 is a prime.

It is a super-3 number, since 3×28604120203³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28604120213) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2554525 + ... + 2565697.

It is an arithmetic number, because the mean of its divisors is an integer number (3581479306).

Almost surely, 2^28604120203 is an apocalyptic number.

28604120203 is a deficient number, since it is larger than the sum of its proper divisors (47714245).

28604120203 is a wasteful number, since it uses less digits than its factorization.

28604120203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15213.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 28604120203 its reverse (30202140682), we get a palindrome (58806260885).

The spelling of 28604120203 in words is "twenty-eight billion, six hundred four million, one hundred twenty thousand, two hundred three".