485705089 has 4 divisors (see below), whose sum is σ = 485763156. Its totient is φ = 485647024.

The previous prime is 485705083. The next prime is 485705111. The reversal of 485705089 is 980507584.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 324288064 + 161417025 = 18008^2 + 12705^2 .

It is a cyclic number.

It is not a de Polignac number, because 485705089 - 2²¹ = 483607937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (485705083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13834 + ... + 34099.

It is an arithmetic number, because the mean of its divisors is an integer number (121440789).

Almost surely, 2^485705089 is an apocalyptic number.

It is an amenable number.

485705089 is a deficient number, since it is larger than the sum of its proper divisors (58067).

485705089 is a wasteful number, since it uses less digits than its factorization.

485705089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58066.

The product of its (nonzero) digits is 403200, while the sum is 46.

The square root of 485705089 is about 22038.7179527304. The cubic root of 485705089 is about 786.0633561536.

The spelling of 485705089 in words is "four hundred eighty-five million, seven hundred five thousand, eighty-nine".