804084778405 has 32 divisors (see below), whose sum is σ = 1021183200000. Its totient is φ = 606121012224.

The previous prime is 804084778403. The next prime is 804084778417. The reversal of 804084778405 is 504877480408.

It is a cyclic number.

It is not a de Polignac number, because 804084778405 - 2¹ = 804084778403 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (804084778403) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 15281181 + ... + 15333709.

It is an arithmetic number, because the mean of its divisors is an integer number (31911975000).

Almost surely, 2^804084778405 is an apocalyptic number.

It is an amenable number.

804084778405 is a deficient number, since it is larger than the sum of its proper divisors (217098421595).

804084778405 is a wasteful number, since it uses less digits than its factorization.

804084778405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53421.

The product of its (nonzero) digits is 8028160, while the sum is 55.

The spelling of 804084778405 in words is "eight hundred four billion, eighty-four million, seven hundred seventy-eight thousand, four hundred five".