804479551 has 8 divisors (see below), whose sum is σ = 849254000. Its totient is φ = 759948480.

The previous prime is 804479549. The next prime is 804479563. The reversal of 804479551 is 155974408.

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

It is a cyclic number.

It is not a de Polignac number, because 804479551 - 2¹ = 804479549 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 804479498 and 804479507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (804479591) 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, 54030 + ... + 67291.

It is an arithmetic number, because the mean of its divisors is an integer number (106156750).

Almost surely, 2^804479551 is an apocalyptic number.

804479551 is a deficient number, since it is larger than the sum of its proper divisors (44774449).

804479551 is a wasteful number, since it uses less digits than its factorization.

804479551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121689.

The product of its (nonzero) digits is 201600, while the sum is 43.

The square root of 804479551 is about 28363.3487268341. The cubic root of 804479551 is about 930.0472288806.

It can be divided in two parts, 80447 and 9551, that added together give a palindrome (89998).

The spelling of 804479551 in words is "eight hundred four million, four hundred seventy-nine thousand, five hundred fifty-one".