804813777516 has 24 divisors (see below), whose sum is σ = 2146170073600. Its totient is φ = 229946793552.

The previous prime is 804813777479. The next prime is 804813777557. The reversal of 804813777516 is 615777318408.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4790558116 + ... + 4790558283.

Almost surely, 2^804813777516 is an apocalyptic number.

It is an amenable number.

804813777516 is an abundant number, since it is smaller than the sum of its proper divisors (1341356296084).

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

804813777516 is a wasteful number, since it uses less digits than its factorization.

804813777516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9581116413 (or 9581116411 counting only the distinct ones).

The product of its (nonzero) digits is 7902720, while the sum is 57.

The spelling of 804813777516 in words is "eight hundred four billion, eight hundred thirteen million, seven hundred seventy-seven thousand, five hundred sixteen".