7287783223943 has 2 divisors, whose sum is σ = 7287783223944. Its totient is φ = 7287783223942.

The previous prime is 7287783223873. The next prime is 7287783223967. The reversal of 7287783223943 is 3493223877827.

7287783223943 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7287783223943 - 2²² = 7287779029639 is a prime.

It is a super-2 number, since 2×7287783223943² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7287783223943.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7287783223993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3643891611971 + 3643891611972.

It is an arithmetic number, because the mean of its divisors is an integer number (3643891611972).

Almost surely, 2^{7287783223943} is an apocalyptic number.

7287783223943 is a deficient number, since it is larger than the sum of its proper divisors (1).

7287783223943 is an equidigital number, since it uses as much as digits as its factorization.

7287783223943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 170698752, while the sum is 65.

The spelling of 7287783223943 in words is "seven trillion, two hundred eighty-seven billion, seven hundred eighty-three million, two hundred twenty-three thousand, nine hundred forty-three".