863137731368 has 32 divisors (see below), whose sum is σ = 1765900150560. Its totient is φ = 392248409280.

The previous prime is 863137731367. The next prime is 863137731481.

863137731368 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×863137731368² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (863137731367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 686255 + ... + 1482302.

It is an arithmetic number, because the mean of its divisors is an integer number (55184379705).

Almost surely, 2^863137731368 is an apocalyptic number.

863137731368 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

863137731368 is an abundant number, since it is smaller than the sum of its proper divisors (902762419192).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

863137731368 is a wasteful number, since it uses less digits than its factorization.

863137731368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2173097 (or 2173093 counting only the distinct ones).

The product of its digits is 9144576, while the sum is 56.

The spelling of 863137731368 in words is "eight hundred sixty-three billion, one hundred thirty-seven million, seven hundred thirty-one thousand, three hundred sixty-eight".