628399336677 has 16 divisors (see below), whose sum is σ = 957809928192. Its totient is φ = 358991947440.

The previous prime is 628399336639. The next prime is 628399336687. The reversal of 628399336677 is 776633993826.

628399336677 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 628399336677 - 2¹⁰ = 628399335653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628399336687) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3808449 + ... + 3970022.

It is an arithmetic number, because the mean of its divisors is an integer number (59863120512).

Almost surely, 2^628399336677 is an apocalyptic number.

It is an amenable number.

628399336677 is a deficient number, since it is larger than the sum of its proper divisors (329410591515).

628399336677 is a wasteful number, since it uses less digits than its factorization.

628399336677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7782328.

The product of its digits is 370355328, while the sum is 69.

The spelling of 628399336677 in words is "six hundred twenty-eight billion, three hundred ninety-nine million, three hundred thirty-six thousand, six hundred seventy-seven".