628604406826 has 8 divisors (see below), whose sum is σ = 1028625393024. Its totient is φ = 285729275820.

The previous prime is 628604406733. The next prime is 628604406869.

628604406826 is nontrivially palindromic in base 10.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14286463770 + ... + 14286463813.

It is an arithmetic number, because the mean of its divisors is an integer number (128578174128).

Almost surely, 2^628604406826 is an apocalyptic number.

628604406826 is a deficient number, since it is larger than the sum of its proper divisors (400020986198).

628604406826 is a wasteful number, since it uses less digits than its factorization.

628604406826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28572927596.

The product of its (nonzero) digits is 5308416, while the sum is 52.

The spelling of 628604406826 in words is "six hundred twenty-eight billion, six hundred four million, four hundred six thousand, eight hundred twenty-six".