28420296303 has 12 divisors (see below), whose sum is σ = 44080459800. Its totient is φ = 16240169232.

The previous prime is 28420296301. The next prime is 28420296323. The reversal of 28420296303 is 30369202482.

It is not a de Polignac number, because 28420296303 - 2¹ = 28420296301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28420296301) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 96667528 + ... + 96667821.

It is an arithmetic number, because the mean of its divisors is an integer number (3673371650).

Almost surely, 2^28420296303 is an apocalyptic number.

28420296303 is a deficient number, since it is larger than the sum of its proper divisors (15660163497).

28420296303 is a wasteful number, since it uses less digits than its factorization.

28420296303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193335366 (or 193335359 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 39.

Adding to 28420296303 its reverse (30369202482), we get a palindrome (58789498785).

The spelling of 28420296303 in words is "twenty-eight billion, four hundred twenty million, two hundred ninety-six thousand, three hundred three".