868022880 has 96 divisors (see below), whose sum is σ = 2739744000. Its totient is φ = 231009792.

The previous prime is 868022843. The next prime is 868022933. The reversal of 868022880 is 88220868.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 286011 + ... + 289029.

It is an arithmetic number, because the mean of its divisors is an integer number (28539000).

Almost surely, 2^868022880 is an apocalyptic number.

868022880 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 868022880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1369872000).

868022880 is an abundant number, since it is smaller than the sum of its proper divisors (1871721120).

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

868022880 is a wasteful number, since it uses less digits than its factorization.

868022880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3636 (or 3628 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 42.

The square root of 868022880 is about 29462.2280216551. The cubic root of 868022880 is about 953.9165659753.

The spelling of 868022880 in words is "eight hundred sixty-eight million, twenty-two thousand, eight hundred eighty".