628325683187 has 2 divisors, whose sum is σ = 628325683188. Its totient is φ = 628325683186.

The previous prime is 628325683171. The next prime is 628325683309. The reversal of 628325683187 is 781386523826.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 628325683187 - 2⁴ = 628325683171 is a prime.

It is not a weakly prime, because it can be changed into another prime (628325383187) 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, 314162841593 + 314162841594.

It is an arithmetic number, because the mean of its divisors is an integer number (314162841594).

Almost surely, 2^628325683187 is an apocalyptic number.

628325683187 is a deficient number, since it is larger than the sum of its proper divisors (1).

628325683187 is an equidigital number, since it uses as much as digits as its factorization.

628325683187 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23224320, while the sum is 59.

The spelling of 628325683187 in words is "six hundred twenty-eight billion, three hundred twenty-five million, six hundred eighty-three thousand, one hundred eighty-seven".