868452254868 has 96 divisors (see below), whose sum is σ = 2270986397568. Its totient is φ = 255983155200.

The previous prime is 868452254867. The next prime is 868452254909.

868452254868 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a junction number, because it is equal to n+sod(n) for n = 868452254799 and 868452254808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (868452254861) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18931896 + ... + 18977712.

It is an arithmetic number, because the mean of its divisors is an integer number (23656108308).

Almost surely, 2^868452254868 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 868452254868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1135493198784).

868452254868 is an abundant number, since it is smaller than the sum of its proper divisors (1402534142700).

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

868452254868 is a wasteful number, since it uses less digits than its factorization.

868452254868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49753 (or 49751 counting only the distinct ones).

The product of its digits is 235929600, while the sum is 66.

The spelling of 868452254868 in words is "eight hundred sixty-eight billion, four hundred fifty-two million, two hundred fifty-four thousand, eight hundred sixty-eight".