628199107 has 2 divisors, whose sum is σ = 628199108. Its totient is φ = 628199106.

The previous prime is 628199101. The next prime is 628199129. The reversal of 628199107 is 701991826.

628199107 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 628199107 - 2²⁷ = 493981379 is a prime.

It is not a weakly prime, because it can be changed into another prime (628199101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 314099553 + 314099554.

It is an arithmetic number, because the mean of its divisors is an integer number (314099554).

Almost surely, 2^628199107 is an apocalyptic number.

628199107 is a deficient number, since it is larger than the sum of its proper divisors (1).

628199107 is an equidigital number, since it uses as much as digits as its factorization.

628199107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 43.

The square root of 628199107 is about 25063.9004745870. The cubic root of 628199107 is about 856.4442637210. Note that the first 3 decimals are identical.

The spelling of 628199107 in words is "six hundred twenty-eight million, one hundred ninety-nine thousand, one hundred seven".