7120786840663 has 2 divisors, whose sum is σ = 7120786840664. Its totient is φ = 7120786840662.

The previous prime is 7120786840633. The next prime is 7120786840691. The reversal of 7120786840663 is 3660486870217.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7120786840663 - 2⁵ = 7120786840631 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7120786840598 and 7120786840607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7120786840633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3560393420331 + 3560393420332.

It is an arithmetic number, because the mean of its divisors is an integer number (3560393420332).

Almost surely, 2^{7120786840663} is an apocalyptic number.

7120786840663 is a deficient number, since it is larger than the sum of its proper divisors (1).

7120786840663 is an equidigital number, since it uses as much as digits as its factorization.

7120786840663 is an evil number, because the sum of its binary digits is even.

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

The spelling of 7120786840663 in words is "seven trillion, one hundred twenty billion, seven hundred eighty-six million, eight hundred forty thousand, six hundred sixty-three".