804478794261 has 8 divisors (see below), whose sum is σ = 1088647920864. Its totient is φ = 528314431920.

The previous prime is 804478794241. The next prime is 804478794313. The reversal of 804478794261 is 162497874408.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 804478794261 - 2¹¹ = 804478792213 is a prime.

It is a super-2 number, since 2×804478794261² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 804478794195 and 804478794204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (804478794241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2001190830 + ... + 2001191231.

It is an arithmetic number, because the mean of its divisors is an integer number (136080990108).

Almost surely, 2^804478794261 is an apocalyptic number.

It is an amenable number.

804478794261 is a deficient number, since it is larger than the sum of its proper divisors (284169126603).

804478794261 is a wasteful number, since it uses less digits than its factorization.

804478794261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4002382131.

The product of its (nonzero) digits is 21676032, while the sum is 60.

The spelling of 804478794261 in words is "eight hundred four billion, four hundred seventy-eight million, seven hundred ninety-four thousand, two hundred sixty-one".