628016843 has 2 divisors, whose sum is σ = 628016844. Its totient is φ = 628016842.

The previous prime is 628016791. The next prime is 628016869. The reversal of 628016843 is 348610826.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 628016843 - 2¹⁴ = 628000459 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 628016797 and 628016806.

It is not a weakly prime, because it can be changed into another prime (628010843) 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, 314008421 + 314008422.

It is an arithmetic number, because the mean of its divisors is an integer number (314008422).

Almost surely, 2^628016843 is an apocalyptic number.

628016843 is a deficient number, since it is larger than the sum of its proper divisors (1).

628016843 is an equidigital number, since it uses as much as digits as its factorization.

628016843 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 628016843 is about 25060.2642244650. The cubic root of 628016843 is about 856.3614268970.

The spelling of 628016843 in words is "six hundred twenty-eight million, sixteen thousand, eight hundred forty-three".