804139504722 has 24 divisors (see below), whose sum is σ = 1746899378640. Its totient is φ = 267339252600.

The previous prime is 804139504579. The next prime is 804139504733. The reversal of 804139504722 is 227405931408.

804139504722 is a `hidden beast` number, since 8 + 0 + 4 + 139 + 504 + 7 + 2 + 2 = 666.

804139504722 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58930404 + ... + 58944047.

It is an arithmetic number, because the mean of its divisors is an integer number (72787474110).

Almost surely, 2^804139504722 is an apocalyptic number.

804139504722 is an abundant number, since it is smaller than the sum of its proper divisors (942759873918).

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

804139504722 is a wasteful number, since it uses less digits than its factorization.

804139504722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117874838 (or 117874835 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 804139504722 in words is "eight hundred four billion, one hundred thirty-nine million, five hundred four thousand, seven hundred twenty-two".