804078080919 has 12 divisors (see below), whose sum is σ = 1161464218200. Its totient is φ = 536043699504.

The previous prime is 804078080909. The next prime is 804078080921. The reversal of 804078080919 is 919080870408.

804078080919 is a `hidden beast` number, since 80 + 407 + 80 + 80 + 9 + 1 + 9 = 666.

It is not a de Polignac number, because 804078080919 - 2¹³ = 804078072727 is a prime.

It is a super-2 number, since 2×804078080919² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (804078080909) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55629 + ... + 1269350.

It is an arithmetic number, because the mean of its divisors is an integer number (96788684850).

Almost surely, 2^804078080919 is an apocalyptic number.

804078080919 is a deficient number, since it is larger than the sum of its proper divisors (357386137281).

804078080919 is a wasteful number, since it uses less digits than its factorization.

804078080919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1392414 (or 1392411 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 54.

The spelling of 804078080919 in words is "eight hundred four billion, seventy-eight million, eighty thousand, nine hundred nineteen".