823680008 has 16 divisors (see below), whose sum is σ = 1558835280. Its totient is φ = 407990608.

The previous prime is 823679999. The next prime is 823680019. The reversal of 823680008 is 800086328.

It is a self number, because there is not a number n which added to its sum of digits gives 823680008.

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, 480266 + ... + 481977.

It is an arithmetic number, because the mean of its divisors is an integer number (97427205).

Almost surely, 2^823680008 is an apocalyptic number.

It is an amenable number.

823680008 is a deficient number, since it is larger than the sum of its proper divisors (735155272).

823680008 is a wasteful number, since it uses less digits than its factorization.

823680008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 962356 (or 962352 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 823680008 is about 28699.8259228170. The cubic root of 823680008 is about 937.3882563822.

The spelling of 823680008 in words is "eight hundred twenty-three million, six hundred eighty thousand, eight".