868485900000 has 576 divisors, whose sum is σ = 2926950163200. Its totient is φ = 225392640000.

The previous prime is 868485899969. The next prime is 868485900001. The reversal of 868485900000 is 9584868.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (868485900001) 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 95 ways as a sum of consecutive naturals, for example, 2460299824 + ... + 2460300176.

It is an arithmetic number, because the mean of its divisors is an integer number (5081510700).

Almost surely, 2^868485900000 is an apocalyptic number.

868485900000 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 868485900000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1463475081600).

868485900000 is an abundant number, since it is smaller than the sum of its proper divisors (2058464263200).

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

868485900000 is a wasteful number, since it uses less digits than its factorization.

868485900000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589 (or 561 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 48.

The spelling of 868485900000 in words is "eight hundred sixty-eight billion, four hundred eighty-five million, nine hundred thousand".