80943367679 has 2 divisors, whose sum is σ = 80943367680. Its totient is φ = 80943367678.

The previous prime is 80943367643. The next prime is 80943367697. The reversal of 80943367679 is 97676334908.

Together with next prime (80943367697) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80943367679 - 2¹² = 80943363583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80943367699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40471683839 + 40471683840.

It is an arithmetic number, because the mean of its divisors is an integer number (40471683840).

Almost surely, 2^80943367679 is an apocalyptic number.

80943367679 is a deficient number, since it is larger than the sum of its proper divisors (1).

80943367679 is an equidigital number, since it uses as much as digits as its factorization.

80943367679 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41150592, while the sum is 62.

The spelling of 80943367679 in words is "eighty billion, nine hundred forty-three million, three hundred sixty-seven thousand, six hundred seventy-nine".