476618985 has 24 divisors (see below), whose sum is σ = 856739520. Its totient is φ = 254196144.

The previous prime is 476618957. The next prime is 476619001. The reversal of 476618985 is 589816674.

It is not a de Polignac number, because 476618985 - 2⁸ = 476618729 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 194925 + ... + 197354.

It is an arithmetic number, because the mean of its divisors is an integer number (35697480).

Almost surely, 2^476618985 is an apocalyptic number.

476618985 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

476618985 is a deficient number, since it is larger than the sum of its proper divisors (380120535).

476618985 is an equidigital number, since it uses as much as digits as its factorization.

476618985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392299 (or 392287 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 54.

The square root of 476618985 is about 21831.6051860600. The cubic root of 476618985 is about 781.1308301644.

The spelling of 476618985 in words is "four hundred seventy-six million, six hundred eighteen thousand, nine hundred eighty-five".