868810602 has 128 divisors (see below), whose sum is σ = 2118555648. Its totient is φ = 234291200.

The previous prime is 868810597. The next prime is 868810643. The reversal of 868810602 is 206018868.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3380458 + ... + 3380714.

It is an arithmetic number, because the mean of its divisors is an integer number (16551216).

Almost surely, 2^868810602 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 868810602, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1059277824).

868810602 is an abundant number, since it is smaller than the sum of its proper divisors (1249745046).

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

868810602 is a wasteful number, since it uses less digits than its factorization.

868810602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444.

The product of its (nonzero) digits is 36864, while the sum is 39.

The square root of 868810602 is about 29475.5933273615. The cubic root of 868810602 is about 954.2050352828.

The spelling of 868810602 in words is "eight hundred sixty-eight million, eight hundred ten thousand, six hundred two".