7878368326 has 16 divisors (see below), whose sum is σ = 12095464896. Its totient is φ = 3846914496.

The previous prime is 7878368287. The next prime is 7878368371. The reversal of 7878368326 is 6238638787.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48741 + ... + 134656.

It is an arithmetic number, because the mean of its divisors is an integer number (755966556).

Almost surely, 2^7878368326 is an apocalyptic number.

7878368326 is a deficient number, since it is larger than the sum of its proper divisors (4217096570).

7878368326 is a wasteful number, since it uses less digits than its factorization.

7878368326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183903.

The product of its digits is 16257024, while the sum is 58.

The square root of 7878368326 is about 88760.1730845541. The cubic root of 7878368326 is about 1989.8122198510.

The spelling of 7878368326 in words is "seven billion, eight hundred seventy-eight million, three hundred sixty-eight thousand, three hundred twenty-six".