7993384077377 has 2 divisors, whose sum is σ = 7993384077378. Its totient is φ = 7993384077376.

The previous prime is 7993384077257. The next prime is 7993384077439. The reversal of 7993384077377 is 7737704833997.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7337212795441 + 656171281936 = 2708729^2 + 810044^2 .

It is a cyclic number.

It is not a de Polignac number, because 7993384077377 - 2⁸ = 7993384077121 is a prime.

It is a super-3 number, since 3×7993384077377³ (a number of 40 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (7993384079377) 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 as a sum of consecutive naturals, namely, 3996692038688 + 3996692038689.

It is an arithmetic number, because the mean of its divisors is an integer number (3996692038689).

Almost surely, 2^{7993384077377} is an apocalyptic number.

It is an amenable number.

7993384077377 is a deficient number, since it is larger than the sum of its proper divisors (1).

7993384077377 is an equidigital number, since it uses as much as digits as its factorization.

7993384077377 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1176221088, while the sum is 74.

The spelling of 7993384077377 in words is "seven trillion, nine hundred ninety-three billion, three hundred eighty-four million, seventy-seven thousand, three hundred seventy-seven".