7993384077378 has 32 divisors (see below), whose sum is σ = 18270748615680. Its totient is φ = 2283804467280.

The previous prime is 7993384077377. The next prime is 7993384077439. The reversal of 7993384077378 is 8737704833997.

It is not an unprimeable number, because it can be changed into a prime (7993384077377) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 4567033 + ... + 6069971.

It is an arithmetic number, because the mean of its divisors is an integer number (570960894240).

Almost surely, 2^{7993384077378} is an apocalyptic number.

7993384077378 is an abundant number, since it is smaller than the sum of its proper divisors (10277364538302).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7993384077378 is a wasteful number, since it uses less digits than its factorization.

7993384077378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1629582.

The product of its (nonzero) digits is 1344252672, while the sum is 75.

The spelling of 7993384077378 in words is "seven trillion, nine hundred ninety-three billion, three hundred eighty-four million, seventy-seven thousand, three hundred seventy-eight".