28866880223 has 2 divisors, whose sum is σ = 28866880224. Its totient is φ = 28866880222.

The previous prime is 28866880193. The next prime is 28866880303. The reversal of 28866880223 is 32208866882.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28866880223 - 2⁸ = 28866879967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28866880423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14433440111 + 14433440112.

It is an arithmetic number, because the mean of its divisors is an integer number (14433440112).

Almost surely, 2^28866880223 is an apocalyptic number.

28866880223 is a deficient number, since it is larger than the sum of its proper divisors (1).

28866880223 is an equidigital number, since it uses as much as digits as its factorization.

28866880223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3538944, while the sum is 53.

The spelling of 28866880223 in words is "twenty-eight billion, eight hundred sixty-six million, eight hundred eighty thousand, two hundred twenty-three".