868079808 has 112 divisors (see below), whose sum is σ = 2584704000. Its totient is φ = 285652224.

The previous prime is 868079791. The next prime is 868079827. The reversal of 868079808 is 808970868.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133333 + ... + 139691.

Almost surely, 2^868079808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 868079808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1292352000).

868079808 is an abundant number, since it is smaller than the sum of its proper divisors (1716624192).

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

868079808 is a wasteful number, since it uses less digits than its factorization.

868079808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6459 (or 6443 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 54.

The square root of 868079808 is about 29463.1941241950. The cubic root of 868079808 is about 953.9374192563.

It can be divided in two parts, 8680 and 79808, that added together give a palindrome (88488).

The spelling of 868079808 in words is "eight hundred sixty-eight million, seventy-nine thousand, eight hundred eight".