2028007871 has 2 divisors, whose sum is σ = 2028007872. Its totient is φ = 2028007870.
The previous prime is 2028007867. The next prime is 2028007889. The reversal of 2028007871 is 1787008202.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 2028007871 - 22 = 2028007867 is a prime.
It is a super-2 number, since 2×20280078712 = 8225631849675905282, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2028007801) 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, 1014003935 + 1014003936.
It is an arithmetic number, because the mean of its divisors is an integer number (1014003936).
Almost surely, 22028007871 is an apocalyptic number.
2028007871 is a deficient number, since it is larger than the sum of its proper divisors (1).
2028007871 is an equidigital number, since it uses as much as digits as its factorization.
2028007871 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 12544, while the sum is 35.
The square root of 2028007871 is about 45033.4083875516. The cubic root of 2028007871 is about 1265.7750921735.
The spelling of 2028007871 in words is "two billion, twenty-eight million, seven thousand, eight hundred seventy-one".
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