827625443856 has 20 divisors (see below), whose sum is σ = 2138032396752. Its totient is φ = 275875147936.

The previous prime is 827625443849. The next prime is 827625443881. The reversal of 827625443856 is 658344526728.

It is a self number, because there is not a number n which added to its sum of digits gives 827625443856.

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, 8621098326 + ... + 8621098421.

Almost surely, 2^827625443856 is an apocalyptic number.

It is an amenable number.

827625443856 is an abundant number, since it is smaller than the sum of its proper divisors (1310406952896).

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

827625443856 is a wasteful number, since it uses less digits than its factorization.

827625443856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17242196758 (or 17242196752 counting only the distinct ones).

The product of its digits is 77414400, while the sum is 60.

The spelling of 827625443856 in words is "eight hundred twenty-seven billion, six hundred twenty-five million, four hundred forty-three thousand, eight hundred fifty-six".