868706017936 has 45 divisors (see below), whose sum is σ = 1690277638441. Its totient is φ = 432513154112.

The previous prime is 868706017913. The next prime is 868706017939. The reversal of 868706017936 is 639710607868.

The square root of 868706017936 is 932044.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 205067688336 + 663638329600 = 452844^2 + 814640^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (868706017939) 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 8 ways as a sum of consecutive naturals, for example, 1450260165 + ... + 1450260763.

Almost surely, 2^868706017936 is an apocalyptic number.

868706017936 is the 932044-th square number.

It is an amenable number.

868706017936 is a deficient number, since it is larger than the sum of its proper divisors (821571620505).

868706017936 is an frugal number, since it uses more digits than its factorization.

868706017936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1984 (or 990 counting only the distinct ones).

The product of its (nonzero) digits is 18289152, while the sum is 61.

The spelling of 868706017936 in words is "eight hundred sixty-eight billion, seven hundred six million, seventeen thousand, nine hundred thirty-six".