7684821608 has 16 divisors (see below), whose sum is σ = 14411062500. Its totient is φ = 3841871616.

The previous prime is 7684821607. The next prime is 7684821631. The reversal of 7684821608 is 8061284867.

It can be written as a sum of positive squares in 2 ways, for example, as 7684626244 + 195364 = 87662^2 + 442^2 .

It is a super-3 number, since 3×7684821608³ (a number of 31 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (7684821607) 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 3 ways as a sum of consecutive naturals, for example, 3233 + ... + 124016.

Almost surely, 2^7684821608 is an apocalyptic number.

It is an amenable number.

7684821608 is a deficient number, since it is larger than the sum of its proper divisors (6726240892).

7684821608 is a wasteful number, since it uses less digits than its factorization.

7684821608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134804 (or 134800 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 50.

The square root of 7684821608 is about 87663.1142955804. The cubic root of 7684821608 is about 1973.3824587793.

The spelling of 7684821608 in words is "seven billion, six hundred eighty-four million, eight hundred twenty-one thousand, six hundred eight".