809016479848 has 16 divisors (see below), whose sum is σ = 1516931953380. Its totient is φ = 404501292288.

The previous prime is 809016479837. The next prime is 809016479861. The reversal of 809016479848 is 848974610908.

It can be written as a sum of positive squares in 2 ways, for example, as 450404738884 + 358611740964 = 671122^2 + 598842^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 809016479848.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 355761 + ... + 1320832.

Almost surely, 2^809016479848 is an apocalyptic number.

It is an amenable number.

809016479848 is a deficient number, since it is larger than the sum of its proper divisors (707915473532).

809016479848 is a wasteful number, since it uses less digits than its factorization.

809016479848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1736916 (or 1736912 counting only the distinct ones).

The product of its (nonzero) digits is 27869184, while the sum is 64.

The spelling of 809016479848 in words is "eight hundred nine billion, sixteen million, four hundred seventy-nine thousand, eight hundred forty-eight".