804127007136 has 96 divisors (see below), whose sum is σ = 2132207255808. Its totient is φ = 265329382400.

The previous prime is 804127007129. The next prime is 804127007149. The reversal of 804127007136 is 631700721408.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 804127007094 and 804127007103.

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 15 ways as a sum of consecutive naturals, for example, 74915626 + ... + 74926358.

It is an arithmetic number, because the mean of its divisors is an integer number (22210492248).

Almost surely, 2^804127007136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 804127007136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1066103627904).

804127007136 is an abundant number, since it is smaller than the sum of its proper divisors (1328080248672).

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

804127007136 is a wasteful number, since it uses less digits than its factorization.

804127007136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18574 (or 18566 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 39.

The spelling of 804127007136 in words is "eight hundred four billion, one hundred twenty-seven million, seven thousand, one hundred thirty-six".