628256888476 has 24 divisors (see below), whose sum is σ = 1257646854240. Its totient is φ = 269010149952.

The previous prime is 628256888461. The next prime is 628256888489. The reversal of 628256888476 is 674888652826.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10085155 + ... + 10147258.

It is an arithmetic number, because the mean of its divisors is an integer number (52401952260).

Almost surely, 2^628256888476 is an apocalyptic number.

It is an amenable number.

628256888476 is an abundant number, since it is smaller than the sum of its proper divisors (629389965764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

628256888476 is a wasteful number, since it uses less digits than its factorization.

628256888476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20233533 (or 20233531 counting only the distinct ones).

The product of its digits is 495452160, while the sum is 70.

The spelling of 628256888476 in words is "six hundred twenty-eight billion, two hundred fifty-six million, eight hundred eighty-eight thousand, four hundred seventy-six".