864286045605 has 18 divisors (see below), whose sum is σ = 1498106622246. Its totient is φ = 460949231568.

The previous prime is 864286045577. The next prime is 864286045613. The reversal of 864286045605 is 506540682468.

864286045605 is a `hidden beast` number, since 8 + 6 + 4 + 28 + 6 + 0 + 4 + 5 + 605 = 666.

It can be written as a sum of positive squares in only one way, i.e., 691428836484 + 172857209121 = 831522^2 + 415761^2 .

It is not a de Polignac number, because 864286045605 - 2¹⁰ = 864286044581 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 6167122 + ... + 6305708.

Almost surely, 2^864286045605 is an apocalyptic number.

It is an amenable number.

864286045605 is a deficient number, since it is larger than the sum of its proper divisors (633820576641).

864286045605 is an frugal number, since it uses more digits than its factorization.

864286045605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277185 (or 138595 counting only the distinct ones).

The product of its (nonzero) digits is 11059200, while the sum is 54.

It can be divided in two parts, 86428604 and 5605, that added together give a square (86434209 = 9297²).

The spelling of 864286045605 in words is "eight hundred sixty-four billion, two hundred eighty-six million, forty-five thousand, six hundred five".