8720808 has 16 divisors (see below), whose sum is σ = 21802080. Its totient is φ = 2906928.

The previous prime is 8720807. The next prime is 8720809. The reversal of 8720808 is 8080278.

It is an interprime number because it is at equal distance from previous prime (8720807) and next prime (8720809).

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (8720807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181660 + ... + 181707.

It is an arithmetic number, because the mean of its divisors is an integer number (1362630).

Almost surely, 2^8720808 is an apocalyptic number.

It is an amenable number.

8720808 is an abundant number, since it is smaller than the sum of its proper divisors (13081272).

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

8720808 is a wasteful number, since it uses less digits than its factorization.

8720808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363376 (or 363372 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 33.

The square root of 8720808 is about 2953.1014205408. The cubic root of 8720808 is about 205.8348505118.

The spelling of 8720808 in words is "eight million, seven hundred twenty thousand, eight hundred eight".