7868808 has 48 divisors (see below), whose sum is σ = 21441420. Its totient is φ = 2606976.

The previous prime is 7868801. The next prime is 7868813. The reversal of 7868808 is 8088687.

It can be written as a sum of positive squares in 2 ways, for example, as 7193124 + 675684 = 2682^2 + 822^2 .

It is not an unprimeable number, because it can be changed into a prime (7868801) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20910 + ... + 21282.

Almost surely, 2^7868808 is an apocalyptic number.

It is an amenable number.

7868808 is an abundant number, since it is smaller than the sum of its proper divisors (13572612).

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

7868808 is a wasteful number, since it uses less digits than its factorization.

7868808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678 (or 671 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 45.

The square root of 7868808 is about 2805.1395687202. The cubic root of 7868808 is about 198.9007021247.

It can be divided in two parts, 78 and 68808, that added together give a palindrome (68886).

The spelling of 7868808 in words is "seven million, eight hundred sixty-eight thousand, eight hundred eight".