868581475400 has 96 divisors (see below), whose sum is σ = 2042561871840. Its totient is φ = 343464744960.

The previous prime is 868581475373. The next prime is 868581475409. The reversal of 868581475400 is 4574185868.

It is not an unprimeable number, because it can be changed into a prime (868581475409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17571119 + ... + 17620481.

It is an arithmetic number, because the mean of its divisors is an integer number (21276686165).

Almost surely, 2^868581475400 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 868581475400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1021280935920).

868581475400 is an abundant number, since it is smaller than the sum of its proper divisors (1173980396440).

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

868581475400 is a wasteful number, since it uses less digits than its factorization.

868581475400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50383 (or 50374 counting only the distinct ones).

The product of its (nonzero) digits is 8601600, while the sum is 56.

The spelling of 868581475400 in words is "eight hundred sixty-eight billion, five hundred eighty-one million, four hundred seventy-five thousand, four hundred".