485631785 has 8 divisors (see below), whose sum is σ = 583034760. Its totient is φ = 388321024.

The previous prime is 485631781. The next prime is 485631791. The reversal of 485631785 is 587136584.

It can be written as a sum of positive squares in 4 ways, for example, as 319015321 + 166616464 = 17861^2 + 12908^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 485631785 - 2² = 485631781 is a prime.

It is not an unprimeable number, because it can be changed into a prime (485631781) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10880 + ... + 33009.

It is an arithmetic number, because the mean of its divisors is an integer number (72879345).

Almost surely, 2^485631785 is an apocalyptic number.

It is an amenable number.

485631785 is a deficient number, since it is larger than the sum of its proper divisors (97402975).

485631785 is a wasteful number, since it uses less digits than its factorization.

485631785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46107.

The product of its digits is 806400, while the sum is 47.

The square root of 485631785 is about 22037.0548168307. The cubic root of 485631785 is about 786.0238091880.

The spelling of 485631785 in words is "four hundred eighty-five million, six hundred thirty-one thousand, seven hundred eighty-five".