804207280 has 20 divisors (see below), whose sum is σ = 1869782112. Its totient is φ = 321682880.

The previous prime is 804207269. The next prime is 804207317. The reversal of 804207280 is 82702408.

It is a tau number, because it is divible by the number of its divisors (20).

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 3 ways as a sum of consecutive naturals, for example, 5026216 + ... + 5026375.

Almost surely, 2^804207280 is an apocalyptic number.

804207280 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

804207280 is an abundant number, since it is smaller than the sum of its proper divisors (1065574832).

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

804207280 is a wasteful number, since it uses less digits than its factorization.

804207280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10052604 (or 10052598 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 31.

The square root of 804207280 is about 28358.5486229461. The cubic root of 804207280 is about 929.9422941803.

Adding to 804207280 its reverse (82702408), we get a palindrome (886909688).

The spelling of 804207280 in words is "eight hundred four million, two hundred seven thousand, two hundred eighty".