478486705 has 12 divisors (see below), whose sum is σ = 593309556. Its totient is φ = 370437600.

The previous prime is 478486699. The next prime is 478486739. The reversal of 478486705 is 507684874.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 302446881 + 176039824 = 17391^2 + 13268^2 .

It is not a de Polignac number, because 478486705 - 2⁷ = 478486577 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44986 + ... + 54595.

It is an arithmetic number, because the mean of its divisors is an integer number (49442463).

Almost surely, 2^478486705 is an apocalyptic number.

It is an amenable number.

478486705 is a deficient number, since it is larger than the sum of its proper divisors (114822851).

478486705 is an equidigital number, since it uses as much as digits as its factorization.

478486705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99648 (or 99617 counting only the distinct ones).

The product of its (nonzero) digits is 1505280, while the sum is 49.

The square root of 478486705 is about 21874.3389614406. The cubic root of 478486705 is about 782.1498356713.

The spelling of 478486705 in words is "four hundred seventy-eight million, four hundred eighty-six thousand, seven hundred five".