868219353800 has 108 divisors (see below), whose sum is σ = 2070333548115. Its totient is φ = 338606470400.

The previous prime is 868219353791. The next prime is 868219353839. The reversal of 868219353800 is 8353912868.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 5 ways, for example, as 5464462084 + 862754891716 = 73922^2 + 928846^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=658870.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 540272597 + ... + 540274203.

Almost surely, 2^868219353800 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 868219353800

868219353800 is an abundant number, since it is smaller than the sum of its proper divisors (1202114194315).

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

868219353800 is an equidigital number, since it uses as much as digits as its factorization.

868219353800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3312 (or 1655 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 53.

The spelling of 868219353800 in words is "eight hundred sixty-eight billion, two hundred nineteen million, three hundred fifty-three thousand, eight hundred".