863286418881 has 12 divisors (see below), whose sum is σ = 1247671022052. Its totient is φ = 575200394496.

The previous prime is 863286418831. The next prime is 863286418903. The reversal of 863286418881 is 188814682368.

863286418881 is a `hidden beast` number, since 8 + 63 + 2 + 86 + 418 + 8 + 81 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 565406244225 + 297880174656 = 751935^2 + 545784^2 .

It is not a de Polignac number, because 863286418881 - 2¹¹ = 863286416833 is a prime.

It is a super-2 number, since 2×863286418881² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (863286418831) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 26973516 + ... + 27005501.

It is an arithmetic number, because the mean of its divisors is an integer number (103972585171).

Almost surely, 2^863286418881 is an apocalyptic number.

It is an amenable number.

863286418881 is a deficient number, since it is larger than the sum of its proper divisors (384384603171).

863286418881 is a wasteful number, since it uses less digits than its factorization.

863286418881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53980800 (or 53980797 counting only the distinct ones).

The product of its digits is 28311552, while the sum is 63.

The spelling of 863286418881 in words is "eight hundred sixty-three billion, two hundred eighty-six million, four hundred eighteen thousand, eight hundred eighty-one".