628068347 has 2 divisors, whose sum is σ = 628068348. Its totient is φ = 628068346.

The previous prime is 628068317. The next prime is 628068361. The reversal of 628068347 is 743860826.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-628068347 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 628068298 and 628068307.

It is not a weakly prime, because it can be changed into another prime (628068317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 314034173 + 314034174.

It is an arithmetic number, because the mean of its divisors is an integer number (314034174).

Almost surely, 2^628068347 is an apocalyptic number.

628068347 is a deficient number, since it is larger than the sum of its proper divisors (1).

628068347 is an equidigital number, since it uses as much as digits as its factorization.

628068347 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 387072, while the sum is 44.

The square root of 628068347 is about 25061.2918062896. The cubic root of 628068347 is about 856.3848364779.

The spelling of 628068347 in words is "six hundred twenty-eight million, sixty-eight thousand, three hundred forty-seven".