1028716853 has 2 divisors, whose sum is σ = 1028716854. Its totient is φ = 1028716852.

The previous prime is 1028716849. The next prime is 1028716879. The reversal of 1028716853 is 3586178201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 901320484 + 127396369 = 30022^2 + 11287^2 .

It is a cyclic number.

It is not a de Polignac number, because 1028716853 - 2² = 1028716849 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1028716853.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1028716253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 514358426 + 514358427.

It is an arithmetic number, because the mean of its divisors is an integer number (514358427).

Almost surely, 2^1028716853 is an apocalyptic number.

It is an amenable number.

1028716853 is a deficient number, since it is larger than the sum of its proper divisors (1).

1028716853 is an equidigital number, since it uses as much as digits as its factorization.

1028716853 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80640, while the sum is 41.

The square root of 1028716853 is about 32073.6161509737. The cubic root of 1028716853 is about 1009.4820901219.

The spelling of 1028716853 in words is "one billion, twenty-eight million, seven hundred sixteen thousand, eight hundred fifty-three".