8404488479 has 2 divisors, whose sum is σ = 8404488480. Its totient is φ = 8404488478.

The previous prime is 8404488431. The next prime is 8404488497. The reversal of 8404488479 is 9748844048.

It is a happy number.

Together with next prime (8404488497) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8404488479 - 2¹² = 8404484383 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8404487479) by changing a digit.

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 as a sum of consecutive naturals, namely, 4202244239 + 4202244240.

It is an arithmetic number, because the mean of its divisors is an integer number (4202244240).

Almost surely, 2^8404488479 is an apocalyptic number.

8404488479 is a deficient number, since it is larger than the sum of its proper divisors (1).

8404488479 is an equidigital number, since it uses as much as digits as its factorization.

8404488479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8257536, while the sum is 56.

The square root of 8404488479 is about 91675.9972893669. The cubic root of 8404488479 is about 2033.1547185007.

The spelling of 8404488479 in words is "eight billion, four hundred four million, four hundred eighty-eight thousand, four hundred seventy-nine".