485662869 has 6 divisors (see below), whose sum is σ = 701513046. Its totient is φ = 323775240.

The previous prime is 485662861. The next prime is 485662909. The reversal of 485662869 is 968266584.

It is a happy number.

485662869 is a `hidden beast` number, since 4 + 8 + 5 + 6 + 628 + 6 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 482900625 + 2762244 = 21975^2 + 1662^2 .

It is not a de Polignac number, because 485662869 - 2³ = 485662861 is a prime.

It is a super-2 number, since 2×485662869² = 471736844650622322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (485662861) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26981262 + ... + 26981279.

It is an arithmetic number, because the mean of its divisors is an integer number (116918841).

Almost surely, 2^485662869 is an apocalyptic number.

It is an amenable number.

485662869 is a deficient number, since it is larger than the sum of its proper divisors (215850177).

485662869 is a wasteful number, since it uses less digits than its factorization.

485662869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53962547 (or 53962544 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 54.

The square root of 485662869 is about 22037.7600722033. The cubic root of 485662869 is about 786.0405792619.

The spelling of 485662869 in words is "four hundred eighty-five million, six hundred sixty-two thousand, eight hundred sixty-nine".