868445287000 has 32 divisors (see below), whose sum is σ = 2032161973920. Its totient is φ = 347378114400.

The previous prime is 868445286983. The next prime is 868445287097. The reversal of 868445287000 is 782544868.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 434221644 + ... + 434223643.

It is an arithmetic number, because the mean of its divisors is an integer number (63505061685).

Almost surely, 2^868445287000 is an apocalyptic number.

It is an amenable number.

868445287000 is an abundant number, since it is smaller than the sum of its proper divisors (1163716686920).

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

868445287000 is a wasteful number, since it uses less digits than its factorization.

868445287000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 868445308 (or 868445294 counting only the distinct ones).

The product of its (nonzero) digits is 3440640, while the sum is 52.

The spelling of 868445287000 in words is "eight hundred sixty-eight billion, four hundred forty-five million, two hundred eighty-seven thousand".