868440708 has 36 divisors (see below), whose sum is σ = 2214662268. Its totient is φ = 286917120.

The previous prime is 868440707. The next prime is 868440731. The reversal of 868440708 is 807044868.

It can be written as a sum of positive squares in 2 ways, for example, as 230979204 + 637461504 = 15198^2 + 25248^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 102673 + ... + 110808.

Almost surely, 2^868440708 is an apocalyptic number.

It is an amenable number.

868440708 is an abundant number, since it is smaller than the sum of its proper divisors (1346221560).

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

868440708 is a wasteful number, since it uses less digits than its factorization.

868440708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213604 (or 213599 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 45.

The square root of 868440708 is about 29469.3180782997. The cubic root of 868440708 is about 954.0695992364.

The spelling of 868440708 in words is "eight hundred sixty-eight million, four hundred forty thousand, seven hundred eight".