28872618199 has 2 divisors, whose sum is σ = 28872618200. Its totient is φ = 28872618198.

The previous prime is 28872618179. The next prime is 28872618209. The reversal of 28872618199 is 99181627882.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28872618199 - 2⁹ = 28872617687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28872618119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14436309099 + 14436309100.

It is an arithmetic number, because the mean of its divisors is an integer number (14436309100).

Almost surely, 2^28872618199 is an apocalyptic number.

28872618199 is a deficient number, since it is larger than the sum of its proper divisors (1).

28872618199 is an equidigital number, since it uses as much as digits as its factorization.

28872618199 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6967296, while the sum is 61.

The spelling of 28872618199 in words is "twenty-eight billion, eight hundred seventy-two million, six hundred eighteen thousand, one hundred ninety-nine".