868440704 has 32 divisors (see below), whose sum is σ = 1753815540. Its totient is φ = 428267520.

The previous prime is 868440659. The next prime is 868440707. The reversal of 868440704 is 407044868.

It can be written as a sum of positive squares in 2 ways, for example, as 775511104 + 92929600 = 27848^2 + 9640^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (868440707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37127 + ... + 55814.

Almost surely, 2^868440704 is an apocalyptic number.

It is an amenable number.

868440704 is an abundant number, since it is smaller than the sum of its proper divisors (885374836).

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

868440704 is an equidigital number, since it uses as much as digits as its factorization.

868440704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93028 (or 93016 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 41.

The square root of 868440704 is about 29469.3180104325. The cubic root of 868440704 is about 954.0695977716.

The spelling of 868440704 in words is "eight hundred sixty-eight million, four hundred forty thousand, seven hundred four".