485287869 has 16 divisors (see below), whose sum is σ = 708966720. Its totient is φ = 292824960.

The previous prime is 485287853. The next prime is 485287871. The reversal of 485287869 is 968782584.

It is not a de Polignac number, because 485287869 - 2⁴ = 485287853 is a prime.

It is a super-2 number, since 2×485287869² = 471008631597122322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (485280869) 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, 24552 + ... + 39665.

It is an arithmetic number, because the mean of its divisors is an integer number (44310420).

Almost surely, 2^485287869 is an apocalyptic number.

It is an amenable number.

485287869 is a deficient number, since it is larger than the sum of its proper divisors (223678851).

485287869 is a wasteful number, since it uses less digits than its factorization.

485287869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64460.

The product of its digits is 7741440, while the sum is 57.

The square root of 485287869 is about 22029.2503049922. The cubic root of 485287869 is about 785.8382158974.

The spelling of 485287869 in words is "four hundred eighty-five million, two hundred eighty-seven thousand, eight hundred sixty-nine".