868065984 has 84 divisors (see below), whose sum is σ = 2580354504. Its totient is φ = 289350144.

The previous prime is 868065967. The next prime is 868066009. The reversal of 868065984 is 489560868.

It is a happy number.

868065984 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 868065984.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12357 + ... + 43460.

It is an arithmetic number, because the mean of its divisors is an integer number (30718506).

Almost surely, 2^868065984 is an apocalyptic number.

It is an amenable number.

868065984 is an abundant number, since it is smaller than the sum of its proper divisors (1712288520).

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

868065984 is an equidigital number, since it uses as much as digits as its factorization.

868065984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55844 (or 55822 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 54.

The square root of 868065984 is about 29462.9595254788. The cubic root of 868065984 is about 953.9323554743.

The spelling of 868065984 in words is "eight hundred sixty-eight million, sixty-five thousand, nine hundred eighty-four".