804347047777 has 24 divisors (see below), whose sum is σ = 1011362013312. Its totient is φ = 634057956000.

The previous prime is 804347047769. The next prime is 804347047781. The reversal of 804347047777 is 777740743408.

It is not a de Polignac number, because 804347047777 - 2³ = 804347047769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (804347047727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2157099 + ... + 2502352.

It is an arithmetic number, because the mean of its divisors is an integer number (42140083888).

Almost surely, 2^804347047777 is an apocalyptic number.

It is an amenable number.

804347047777 is a deficient number, since it is larger than the sum of its proper divisors (207014965535).

804347047777 is a wasteful number, since it uses less digits than its factorization.

804347047777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4659749 (or 4659742 counting only the distinct ones).

The product of its (nonzero) digits is 25815552, while the sum is 58.

The spelling of 804347047777 in words is "eight hundred four billion, three hundred forty-seven million, forty-seven thousand, seven hundred seventy-seven".