819684484876 has 18 divisors (see below), whose sum is σ = 1482213028380. Its totient is φ = 396621523080.

The previous prime is 819684484847. The next prime is 819684484897. The reversal of 819684484876 is 678484486918.

It is a junction number, because it is equal to n+sod(n) for n = 819684484799 and 819684484808.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 106614846 + ... + 106622533.

Almost surely, 2^819684484876 is an apocalyptic number.

It is an amenable number.

819684484876 is a deficient number, since it is larger than the sum of its proper divisors (662528543504).

819684484876 is a wasteful number, since it uses less digits than its factorization.

819684484876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213237445 (or 213237412 counting only the distinct ones).

The product of its digits is 594542592, while the sum is 73.

The spelling of 819684484876 in words is "eight hundred nineteen billion, six hundred eighty-four million, four hundred eighty-four thousand, eight hundred seventy-six".