8404508273 has 6 divisors (see below), whose sum is σ = 9776672946. Its totient is φ = 7203864192.

The previous prime is 8404508267. The next prime is 8404508309. The reversal of 8404508273 is 3728054048.

It can be written as a sum of positive squares in only one way, i.e., 8026905649 + 377602624 = 89593^2 + 19432^2 .

It is not a de Polignac number, because 8404508273 - 2⁶ = 8404508209 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8404508273.

It is not an unprimeable number, because it can be changed into a prime (8404508213) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 85760240 + ... + 85760337.

It is an arithmetic number, because the mean of its divisors is an integer number (1629445491).

Almost surely, 2^8404508273 is an apocalyptic number.

It is an amenable number.

8404508273 is a deficient number, since it is larger than the sum of its proper divisors (1372164673).

8404508273 is a wasteful number, since it uses less digits than its factorization.

8404508273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171520591 (or 171520584 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 41.

The square root of 8404508273 is about 91676.1052455873. The cubic root of 8404508273 is about 2033.1563146411.

The spelling of 8404508273 in words is "eight billion, four hundred four million, five hundred eight thousand, two hundred seventy-three".