7686390196 has 12 divisors (see below), whose sum is σ = 13452339460. Its totient is φ = 3842864640.

The previous prime is 7686390157. The next prime is 7686390209. The reversal of 7686390196 is 6910936867.

It can be written as a sum of positive squares in 2 ways, for example, as 365192100 + 7321198096 = 19110^2 + 85564^2 .

It is a congruent number.

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, 25965 + ... + 126676.

Almost surely, 2^7686390196 is an apocalyptic number.

It is an amenable number.

7686390196 is a deficient number, since it is larger than the sum of its proper divisors (5765949264).

7686390196 is a wasteful number, since it uses less digits than its factorization.

7686390196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165234 (or 165232 counting only the distinct ones).

The product of its (nonzero) digits is 2939328, while the sum is 55.

The square root of 7686390196 is about 87672.0605210121. The cubic root of 7686390196 is about 1973.5167153532.

The spelling of 7686390196 in words is "seven billion, six hundred eighty-six million, three hundred ninety thousand, one hundred ninety-six".