28214210213177 has 2 divisors, whose sum is σ = 28214210213178. Its totient is φ = 28214210213176.

The previous prime is 28214210213143. The next prime is 28214210213183. The reversal of 28214210213177 is 77131201241282.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21069302597161 + 7144907616016 = 4590131^2 + 2672996^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28214210213177 is a prime.

It is not a weakly prime, because it can be changed into another prime (28214210219177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14107105106588 + 14107105106589.

It is an arithmetic number, because the mean of its divisors is an integer number (14107105106589).

Almost surely, 2^{28214210213177} is an apocalyptic number.

It is an amenable number.

28214210213177 is a deficient number, since it is larger than the sum of its proper divisors (1).

28214210213177 is an equidigital number, since it uses as much as digits as its factorization.

28214210213177 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75264, while the sum is 41.

The spelling of 28214210213177 in words is "twenty-eight trillion, two hundred fourteen billion, two hundred ten million, two hundred thirteen thousand, one hundred seventy-seven".