28875900049 has 2 divisors, whose sum is σ = 28875900050. Its totient is φ = 28875900048.

The previous prime is 28875900029. The next prime is 28875900073. The reversal of 28875900049 is 94000957882.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28087413649 + 788486400 = 167593^2 + 28080^2 .

It is a cyclic number.

It is not a de Polignac number, because 28875900049 - 2⁹ = 28875899537 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28875899969 and 28875900005.

It is not a weakly prime, because it can be changed into another prime (28875900019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14437950024 + 14437950025.

It is an arithmetic number, because the mean of its divisors is an integer number (14437950025).

Almost surely, 2^28875900049 is an apocalyptic number.

It is an amenable number.

28875900049 is a deficient number, since it is larger than the sum of its proper divisors (1).

28875900049 is an equidigital number, since it uses as much as digits as its factorization.

28875900049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1451520, while the sum is 52.

The spelling of 28875900049 in words is "twenty-eight billion, eight hundred seventy-five million, nine hundred thousand, forty-nine".