628604406827 has 8 divisors (see below), whose sum is σ = 628881665040. Its totient is φ = 628327215360.

The previous prime is 628604406733. The next prime is 628604406869. The reversal of 628604406827 is 728604406826.

628604406827 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 628604406827 - 2¹⁴ = 628604390443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (628604405827) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28395299 + ... + 28417427.

It is an arithmetic number, because the mean of its divisors is an integer number (78610208130).

Almost surely, 2^628604406827 is an apocalyptic number.

628604406827 is a deficient number, since it is larger than the sum of its proper divisors (277258213).

628604406827 is a wasteful number, since it uses less digits than its factorization.

628604406827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33373.

The product of its (nonzero) digits is 6193152, while the sum is 53.

Subtracting 628604406827 from its reverse (728604406826), we obtain a palindrome (99999999999).

The spelling of 628604406827 in words is "six hundred twenty-eight billion, six hundred four million, four hundred six thousand, eight hundred twenty-seven".