628976788163 has 2 divisors, whose sum is σ = 628976788164. Its totient is φ = 628976788162.

The previous prime is 628976788123. The next prime is 628976788189. The reversal of 628976788163 is 361887679826.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 628976788163 - 2¹⁰ = 628976787139 is a prime.

It is a super-2 number, since 2×628976788163² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (628976788103) 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, 314488394081 + 314488394082.

It is an arithmetic number, because the mean of its divisors is an integer number (314488394082).

Almost surely, 2^628976788163 is an apocalyptic number.

628976788163 is a deficient number, since it is larger than the sum of its proper divisors (1).

628976788163 is an equidigital number, since it uses as much as digits as its factorization.

628976788163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 292626432, while the sum is 71.

The spelling of 628976788163 in words is "six hundred twenty-eight billion, nine hundred seventy-six million, seven hundred eighty-eight thousand, one hundred sixty-three".