477821327 has 4 divisors (see below), whose sum is σ = 478378440. Its totient is φ = 477264216.

The previous prime is 477821303. The next prime is 477821359. The reversal of 477821327 is 723128774.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 723128774 = 2 ⋅361564387.

It is a cyclic number.

It is not a de Polignac number, because 477821327 - 2¹² = 477817231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (477821627) 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 in 3 ways as a sum of consecutive naturals, for example, 277268 + ... + 278985.

It is an arithmetic number, because the mean of its divisors is an integer number (119594610).

Almost surely, 2^477821327 is an apocalyptic number.

477821327 is a deficient number, since it is larger than the sum of its proper divisors (557113).

477821327 is an equidigital number, since it uses as much as digits as its factorization.

477821327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557112.

The product of its digits is 131712, while the sum is 41.

The square root of 477821327 is about 21859.1245707599. The cubic root of 477821327 is about 781.7871180264.

The spelling of 477821327 in words is "four hundred seventy-seven million, eight hundred twenty-one thousand, three hundred twenty-seven".