7871430007943 has 2 divisors, whose sum is σ = 7871430007944. Its totient is φ = 7871430007942.

The previous prime is 7871430007781. The next prime is 7871430007963. The reversal of 7871430007943 is 3497000341787.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7871430007943 - 2¹² = 7871430003847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7871430007963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3935715003971 + 3935715003972.

It is an arithmetic number, because the mean of its divisors is an integer number (3935715003972).

Almost surely, 2^{7871430007943} is an apocalyptic number.

7871430007943 is a deficient number, since it is larger than the sum of its proper divisors (1).

7871430007943 is an equidigital number, since it uses as much as digits as its factorization.

7871430007943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3556224, while the sum is 53.

The spelling of 7871430007943 in words is "seven trillion, eight hundred seventy-one billion, four hundred thirty million, seven thousand, nine hundred forty-three".