868602387 has 16 divisors (see below), whose sum is σ = 1179335808. Its totient is φ = 568555200.

The previous prime is 868602377. The next prime is 868602391. The reversal of 868602387 is 783206868.

It is a happy number.

868602387 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 868602387 - 2¹⁴ = 868586003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (868602377) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29887 + ... + 51287.

It is an arithmetic number, because the mean of its divisors is an integer number (73708488).

Almost surely, 2^868602387 is an apocalyptic number.

868602387 is a deficient number, since it is larger than the sum of its proper divisors (310733421).

868602387 is a wasteful number, since it uses less digits than its factorization.

868602387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21650.

The product of its (nonzero) digits is 774144, while the sum is 48.

The square root of 868602387 is about 29472.0611257509. The cubic root of 868602387 is about 954.1288024520.

The spelling of 868602387 in words is "eight hundred sixty-eight million, six hundred two thousand, three hundred eighty-seven".