485989287 has 16 divisors (see below), whose sum is σ = 772753920. Its totient is φ = 265633632.

The previous prime is 485989271. The next prime is 485989297. The reversal of 485989287 is 782989584.

It is not a de Polignac number, because 485989287 - 2⁴ = 485989271 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 485989287.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (485989267) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 502612 + ... + 503577.

It is an arithmetic number, because the mean of its divisors is an integer number (48297120).

Almost surely, 2^485989287 is an apocalyptic number.

485989287 is a deficient number, since it is larger than the sum of its proper divisors (286764633).

485989287 is a wasteful number, since it uses less digits than its factorization.

485989287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1006222.

The product of its digits is 11612160, while the sum is 60.

The square root of 485989287 is about 22045.1647079354. The cubic root of 485989287 is about 786.2166412650.

The spelling of 485989287 in words is "four hundred eighty-five million, nine hundred eighty-nine thousand, two hundred eighty-seven".