28104264203 has 2 divisors, whose sum is σ = 28104264204. Its totient is φ = 28104264202.

The previous prime is 28104264191. The next prime is 28104264229. The reversal of 28104264203 is 30246240182.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28104264203 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28104264203.

It is not a weakly prime, because it can be changed into another prime (28104264103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14052132101 + 14052132102.

It is an arithmetic number, because the mean of its divisors is an integer number (14052132102).

Almost surely, 2^28104264203 is an apocalyptic number.

28104264203 is a deficient number, since it is larger than the sum of its proper divisors (1).

28104264203 is an equidigital number, since it uses as much as digits as its factorization.

28104264203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18432, while the sum is 32.

The spelling of 28104264203 in words is "twenty-eight billion, one hundred four million, two hundred sixty-four thousand, two hundred three".