485885817 has 16 divisors (see below), whose sum is σ = 721068480. Its totient is φ = 323366976.

The previous prime is 485885797. The next prime is 485885861. The reversal of 485885817 is 718588584.

485885817 is a `hidden beast` number, since 4 + 8 + 58 + 8 + 581 + 7 = 666.

It is not a de Polignac number, because 485885817 - 2⁶ = 485885753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (485885017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 838 + ... + 31184.

It is an arithmetic number, because the mean of its divisors is an integer number (45066780).

Almost surely, 2^485885817 is an apocalyptic number.

It is an amenable number.

485885817 is a deficient number, since it is larger than the sum of its proper divisors (235182663).

485885817 is a wasteful number, since it uses less digits than its factorization.

485885817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30949 (or 30943 counting only the distinct ones).

The product of its digits is 2867200, while the sum is 54.

The square root of 485885817 is about 22042.8178098899. The cubic root of 485885817 is about 786.1608405769.

The spelling of 485885817 in words is "four hundred eighty-five million, eight hundred eighty-five thousand, eight hundred seventeen".