868761537384 has 32 divisors (see below), whose sum is σ = 2338973370720. Its totient is φ = 267311242176.

The previous prime is 868761537323. The next prime is 868761537401. The reversal of 868761537384 is 483735167868.

It is a super-2 number, since 2×868761537384² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

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, 1392245742 + ... + 1392246365.

It is an arithmetic number, because the mean of its divisors is an integer number (73092917835).

Almost surely, 2^868761537384 is an apocalyptic number.

It is an amenable number.

868761537384 is an abundant number, since it is smaller than the sum of its proper divisors (1470211833336).

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

868761537384 is a wasteful number, since it uses less digits than its factorization.

868761537384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2784492129 (or 2784492125 counting only the distinct ones).

The product of its digits is 162570240, while the sum is 66.

The spelling of 868761537384 in words is "eight hundred sixty-eight billion, seven hundred sixty-one million, five hundred thirty-seven thousand, three hundred eighty-four".