864317485 has 8 divisors (see below), whose sum is σ = 1098191736. Its totient is φ = 650780160.

The previous prime is 864317413. The next prime is 864317513. The reversal of 864317485 is 584713468.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 25462116 + 838855369 = 5046^2 + 28963^2 .

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

It is not a de Polignac number, because 864317485 - 2¹⁵ = 864284717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5084136 + ... + 5084305.

It is an arithmetic number, because the mean of its divisors is an integer number (137273967).

Almost surely, 2^864317485 is an apocalyptic number.

864317485 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

864317485 is a deficient number, since it is larger than the sum of its proper divisors (233874251).

864317485 is a wasteful number, since it uses less digits than its factorization.

864317485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10168463.

The product of its digits is 645120, while the sum is 46.

The square root of 864317485 is about 29399.2769468911. The cubic root of 864317485 is about 952.5572780109.

The spelling of 864317485 in words is "eight hundred sixty-four million, three hundred seventeen thousand, four hundred eighty-five".