7685812808 has 32 divisors (see below), whose sum is σ = 14902004160. Its totient is φ = 3714110400.

The previous prime is 7685812801. The next prime is 7685812853. The reversal of 7685812808 is 8082185867.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a self number, because there is not a number n which added to its sum of digits gives 7685812808.

It is not an unprimeable number, because it can be changed into a prime (7685812801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106868 + ... + 163683.

It is an arithmetic number, because the mean of its divisors is an integer number (465687630).

Almost surely, 2^7685812808 is an apocalyptic number.

It is an amenable number.

7685812808 is a deficient number, since it is larger than the sum of its proper divisors (7216191352).

7685812808 is a wasteful number, since it uses less digits than its factorization.

7685812808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270677 (or 270673 counting only the distinct ones).

The product of its (nonzero) digits is 1720320, while the sum is 53.

The square root of 7685812808 is about 87668.7675743192. The cubic root of 7685812808 is about 1973.4672984239.

The spelling of 7685812808 in words is "seven billion, six hundred eighty-five million, eight hundred twelve thousand, eight hundred eight".