628834623648 has 96 divisors (see below), whose sum is σ = 2058004247040. Its totient is φ = 163333666560.

The previous prime is 628834623623. The next prime is 628834623667. The reversal of 628834623648 is 846326438826.

It is a tau number, because it is divible by the number of its divisors (96).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 628834623591 and 628834623600.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42527418 + ... + 42542201.

It is an arithmetic number, because the mean of its divisors is an integer number (21437544240).

Almost surely, 2^628834623648 is an apocalyptic number.

It is an amenable number.

628834623648 is an abundant number, since it is smaller than the sum of its proper divisors (1429169623392).

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

628834623648 is a wasteful number, since it uses less digits than its factorization.

628834623648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85069650 (or 85069642 counting only the distinct ones).

The product of its digits is 63700992, while the sum is 60.

The spelling of 628834623648 in words is "six hundred twenty-eight billion, eight hundred thirty-four million, six hundred twenty-three thousand, six hundred forty-eight".