628814602844 has 12 divisors (see below), whose sum is σ = 1108457859264. Its totient is φ = 312112357344.

The previous prime is 628814602817. The next prime is 628814602883. The reversal of 628814602844 is 448206418826.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 573735404 + ... + 573736499.

It is an arithmetic number, because the mean of its divisors is an integer number (92371488272).

Almost surely, 2^628814602844 is an apocalyptic number.

It is an amenable number.

628814602844 is a deficient number, since it is larger than the sum of its proper divisors (479643256420).

628814602844 is a wasteful number, since it uses less digits than its factorization.

628814602844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1147472044 (or 1147472042 counting only the distinct ones).

The product of its (nonzero) digits is 4718592, while the sum is 53.

The spelling of 628814602844 in words is "six hundred twenty-eight billion, eight hundred fourteen million, six hundred two thousand, eight hundred forty-four".