628616450827 has 2 divisors, whose sum is σ = 628616450828. Its totient is φ = 628616450826.

The previous prime is 628616450801. The next prime is 628616450843. The reversal of 628616450827 is 728054616826.

628616450827 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-628616450827 is a prime.

It is not a weakly prime, because it can be changed into another prime (628616457827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 314308225413 + 314308225414.

It is an arithmetic number, because the mean of its divisors is an integer number (314308225414).

Almost surely, 2^628616450827 is an apocalyptic number.

628616450827 is a deficient number, since it is larger than the sum of its proper divisors (1).

628616450827 is an equidigital number, since it uses as much as digits as its factorization.

628616450827 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7741440, while the sum is 55.

The spelling of 628616450827 in words is "six hundred twenty-eight billion, six hundred sixteen million, four hundred fifty thousand, eight hundred twenty-seven".