868648846868 has 24 divisors (see below), whose sum is σ = 1670988632544. Its totient is φ = 391826333600.

The previous prime is 868648846861. The next prime is 868648846937.

868648846868 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×868648846868² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 868648846792 and 868648846801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (868648846861) 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, 75345455 + ... + 75356982.

It is an arithmetic number, because the mean of its divisors is an integer number (69624526356).

Almost surely, 2^868648846868 is an apocalyptic number.

It is an amenable number.

868648846868 is a deficient number, since it is larger than the sum of its proper divisors (802339785676).

868648846868 is a wasteful number, since it uses less digits than its factorization.

868648846868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150702583 (or 150702581 counting only the distinct ones).

The product of its digits is 5435817984, while the sum is 80.

The spelling of 868648846868 in words is "eight hundred sixty-eight billion, six hundred forty-eight million, eight hundred forty-six thousand, eight hundred sixty-eight".