7801648648 has 16 divisors (see below), whose sum is σ = 14704680960. Its totient is φ = 3880400400.

The previous prime is 7801648637. The next prime is 7801648651. The reversal of 7801648648 is 8468461087.

It is a junction number, because it is equal to n+sod(n) for n = 7801648595 and 7801648604.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2551368 + ... + 2554423.

It is an arithmetic number, because the mean of its divisors is an integer number (919042560).

Almost surely, 2^7801648648 is an apocalyptic number.

It is an amenable number.

7801648648 is a deficient number, since it is larger than the sum of its proper divisors (6903032312).

7801648648 is a wasteful number, since it uses less digits than its factorization.

7801648648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5105988 (or 5105984 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 52.

The square root of 7801648648 is about 88326.9418014685. The cubic root of 7801648648 is about 1983.3321987487.

The spelling of 7801648648 in words is "seven billion, eight hundred one million, six hundred forty-eight thousand, six hundred forty-eight".