477491121 has 12 divisors (see below), whose sum is σ = 730280772. Its totient is φ = 299602176.

The previous prime is 477491107. The next prime is 477491123. The reversal of 477491121 is 121194774.

477491121 is a `hidden beast` number, since 47 + 7 + 491 + 121 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 358572096 + 118919025 = 18936^2 + 10905^2 .

It is not a de Polignac number, because 477491121 - 2²⁷ = 343273393 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (477491123) 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 11 ways as a sum of consecutive naturals, for example, 1560276 + ... + 1560581.

It is an arithmetic number, because the mean of its divisors is an integer number (60856731).

Almost surely, 2^477491121 is an apocalyptic number.

It is an amenable number.

477491121 is a deficient number, since it is larger than the sum of its proper divisors (252789651).

477491121 is a wasteful number, since it uses less digits than its factorization.

477491121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3120880 (or 3120877 counting only the distinct ones).

The product of its digits is 14112, while the sum is 36.

The square root of 477491121 is about 21851.5702181788. The cubic root of 477491121 is about 781.6069877338.

The spelling of 477491121 in words is "four hundred seventy-seven million, four hundred ninety-one thousand, one hundred twenty-one".