674821888128476 has 144 divisors (see below), whose sum is σ = 1376192593036800. Its totient is φ = 288320069959680.

The previous prime is 674821888128457. The next prime is 674821888128511.

674821888128476 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 674821888128476.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 56999900165 + ... + 56999912003.

It is an arithmetic number, because the mean of its divisors is an integer number (9556893007200).

Almost surely, 2^{674821888128476} is an apocalyptic number.

It is an amenable number.

674821888128476 is an abundant number, since it is smaller than the sum of its proper divisors (701370704908324).

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

674821888128476 is a wasteful number, since it uses less digits than its factorization.

674821888128476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20268 (or 20255 counting only the distinct ones).

The product of its digits is 3699376128, while the sum is 80.

The spelling of 674821888128476 in words is "six hundred seventy-four trillion, eight hundred twenty-one billion, eight hundred eighty-eight million, one hundred twenty-eight thousand, four hundred seventy-six".