628626468268 has 6 divisors (see below), whose sum is σ = 1100096319476. Its totient is φ = 314313234132.

The previous prime is 628626468263. The next prime is 628626468287. The reversal of 628626468268 is 862864626826.

628626468268 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (628626468263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78578308530 + ... + 78578308537.

Almost surely, 2^628626468268 is an apocalyptic number.

It is an amenable number.

628626468268 is a deficient number, since it is larger than the sum of its proper divisors (471469851208).

628626468268 is a wasteful number, since it uses less digits than its factorization.

628626468268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157156617071 (or 157156617069 counting only the distinct ones).

The product of its digits is 127401984, while the sum is 64.

The spelling of 628626468268 in words is "six hundred twenty-eight billion, six hundred twenty-six million, four hundred sixty-eight thousand, two hundred sixty-eight".