477617229905 has 4 divisors (see below), whose sum is σ = 573140675892. Its totient is φ = 382093783920.

The previous prime is 477617229893. The next prime is 477617229913. The reversal of 477617229905 is 509922716774.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 509922716774 = 2 ⋅254961358387.

It can be written as a sum of positive squares in 2 ways, for example, as 220569243904 + 257047986001 = 469648^2 + 506999^2 .

It is not a de Polignac number, because 477617229905 - 2²⁸ = 477348794449 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 (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47761722986 + ... + 47761722995.

It is an arithmetic number, because the mean of its divisors is an integer number (143285168973).

Almost surely, 2^477617229905 is an apocalyptic number.

It is an amenable number.

477617229905 is a deficient number, since it is larger than the sum of its proper divisors (95523445987).

477617229905 is an equidigital number, since it uses as much as digits as its factorization.

477617229905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95523445986.

The product of its (nonzero) digits is 13335840, while the sum is 59.

The spelling of 477617229905 in words is "four hundred seventy-seven billion, six hundred seventeen million, two hundred twenty-nine thousand, nine hundred five".