671124685284 has 27 divisors (see below), whose sum is σ = 1696466490537. Its totient is φ = 223706589984.

The previous prime is 671124685241. The next prime is 671124685313. The reversal of 671124685284 is 482586421176.

The square root of 671124685284 is 819222.

It is a perfect power (a square), and thus also a powerful number.

671124685284 is a `hidden beast` number, since 6 + 71 + 1 + 2 + 46 + 8 + 528 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 492256592100 + 178868093184 = 701610^2 + 422928^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 671124685284.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4847064 + ... + 4983600.

Almost surely, 2^671124685284 is an apocalyptic number.

671124685284 is the 819222-nd square number.

It is an amenable number.

671124685284 is an abundant number, since it is smaller than the sum of its proper divisors (1025341805253).

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

671124685284 is an frugal number, since it uses more digits than its factorization.

671124685284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273084 (or 136542 counting only the distinct ones).

The product of its digits is 5160960, while the sum is 54.

The spelling of 671124685284 in words is "six hundred seventy-one billion, one hundred twenty-four million, six hundred eighty-five thousand, two hundred eighty-four".