628123709308 has 12 divisors (see below), whose sum is σ = 1137120508440. Its totient is φ = 303232135472.

The previous prime is 628123709261. The next prime is 628123709321. The reversal of 628123709308 is 803907321826.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2707429666 + ... + 2707429897.

It is an arithmetic number, because the mean of its divisors is an integer number (94760042370).

Almost surely, 2^628123709308 is an apocalyptic number.

It is an amenable number.

628123709308 is a deficient number, since it is larger than the sum of its proper divisors (508996799132).

628123709308 is a wasteful number, since it uses less digits than its factorization.

628123709308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5414859596 (or 5414859594 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 49.

The spelling of 628123709308 in words is "six hundred twenty-eight billion, one hundred twenty-three million, seven hundred nine thousand, three hundred eight".