28857460223 has 2 divisors, whose sum is σ = 28857460224. Its totient is φ = 28857460222.

The previous prime is 28857460217. The next prime is 28857460369. The reversal of 28857460223 is 32206475882.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28857460223 - 2¹⁰ = 28857459199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28857462223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14428730111 + 14428730112.

It is an arithmetic number, because the mean of its divisors is an integer number (14428730112).

Almost surely, 2^28857460223 is an apocalyptic number.

28857460223 is a deficient number, since it is larger than the sum of its proper divisors (1).

28857460223 is an equidigital number, since it uses as much as digits as its factorization.

28857460223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1290240, while the sum is 47.

The spelling of 28857460223 in words is "twenty-eight billion, eight hundred fifty-seven million, four hundred sixty thousand, two hundred twenty-three".