868536860 has 12 divisors (see below), whose sum is σ = 1823927448. Its totient is φ = 347414736.

The previous prime is 868536859. The next prime is 868536887. The reversal of 868536860 is 68635868.

It is a junction number, because it is equal to n+sod(n) for n = 868536799 and 868536808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21713402 + ... + 21713441.

It is an arithmetic number, because the mean of its divisors is an integer number (151993954).

Almost surely, 2^868536860 is an apocalyptic number.

It is an amenable number.

868536860 is an abundant number, since it is smaller than the sum of its proper divisors (955390588).

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

868536860 is a wasteful number, since it uses less digits than its factorization.

868536860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43426852 (or 43426850 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 50.

The square root of 868536860 is about 29470.9494248149. The cubic root of 868536860 is about 954.1048088229.

The spelling of 868536860 in words is "eight hundred sixty-eight million, five hundred thirty-six thousand, eight hundred sixty".