655876628 has 36 divisors (see below), whose sum is σ = 1274200116. Its totient is φ = 295152000.

The previous prime is 655876621. The next prime is 655876649. The reversal of 655876628 is 826678556.

It can be written as a sum of positive squares in 2 ways, for example, as 473410564 + 182466064 = 21758^2 + 13508^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 655876628.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655876621) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42176 + ... + 55592.

Almost surely, 2^655876628 is an apocalyptic number.

It is an amenable number.

655876628 is a deficient number, since it is larger than the sum of its proper divisors (618323488).

655876628 is a wasteful number, since it uses less digits than its factorization.

655876628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13544 (or 13531 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 53.

The square root of 655876628 is about 25610.0884028150. The cubic root of 655876628 is about 868.8418234775.

The spelling of 655876628 in words is "six hundred fifty-five million, eight hundred seventy-six thousand, six hundred twenty-eight".