76306999943 has 2 divisors, whose sum is σ = 76306999944. Its totient is φ = 76306999942.

The previous prime is 76306999907. The next prime is 76306999957. The reversal of 76306999943 is 34999960367.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 76306999943 - 2¹⁰ = 76306998919 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 76306999943.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76306999963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38153499971 + 38153499972.

It is an arithmetic number, because the mean of its divisors is an integer number (38153499972).

Almost surely, 2^76306999943 is an apocalyptic number.

76306999943 is a deficient number, since it is larger than the sum of its proper divisors (1).

76306999943 is an equidigital number, since it uses as much as digits as its factorization.

76306999943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 59521392, while the sum is 65.

The spelling of 76306999943 in words is "seventy-six billion, three hundred six million, nine hundred ninety-nine thousand, nine hundred forty-three".