819481883 has 16 divisors (see below), whose sum is σ = 940554720. Its totient is φ = 707155200.

The previous prime is 819481879. The next prime is 819481907. The reversal of 819481883 is 388184918.

It is a cyclic number.

It is not a de Polignac number, because 819481883 - 2² = 819481879 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (819481823) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7868 + ... + 41241.

It is an arithmetic number, because the mean of its divisors is an integer number (58784670).

Almost surely, 2^819481883 is an apocalyptic number.

819481883 is a deficient number, since it is larger than the sum of its proper divisors (121072837).

819481883 is a wasteful number, since it uses less digits than its factorization.

819481883 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49198.

The product of its digits is 442368, while the sum is 50.

The square root of 819481883 is about 28626.5939818205. The cubic root of 819481883 is about 935.7929856516.

The spelling of 819481883 in words is "eight hundred nineteen million, four hundred eighty-one thousand, eight hundred eighty-three".