827025680644 has 12 divisors (see below), whose sum is σ = 1447306885584. Its totient is φ = 413509427624.

The previous prime is 827025680627. The next prime is 827025680671. The reversal of 827025680644 is 446086520728.

It is a junction number, because it is equal to n+sod(n) for n = 827025680591 and 827025680600.

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, 262474 + ... + 1312609.

It is an arithmetic number, because the mean of its divisors is an integer number (120608907132).

Almost surely, 2^827025680644 is an apocalyptic number.

It is an amenable number.

827025680644 is a deficient number, since it is larger than the sum of its proper divisors (620281204940).

827025680644 is a wasteful number, since it uses less digits than its factorization.

827025680644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1706354 (or 1706352 counting only the distinct ones).

The product of its (nonzero) digits is 5160960, while the sum is 52.

The spelling of 827025680644 in words is "eight hundred twenty-seven billion, twenty-five million, six hundred eighty thousand, six hundred forty-four".