80078743 has 2 divisors, whose sum is σ = 80078744. Its totient is φ = 80078742.

The previous prime is 80078731. The next prime is 80078777. The reversal of 80078743 is 34787008.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80078743 - 2¹⁷ = 79947671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80078783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40039371 + 40039372.

It is an arithmetic number, because the mean of its divisors is an integer number (40039372).

Almost surely, 2^80078743 is an apocalyptic number.

80078743 is a deficient number, since it is larger than the sum of its proper divisors (1).

80078743 is an equidigital number, since it uses as much as digits as its factorization.

80078743 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37632, while the sum is 37.

The square root of 80078743 is about 8948.6726948749. The cubic root of 80078743 is about 431.0282638571.

The spelling of 80078743 in words is "eighty million, seventy-eight thousand, seven hundred forty-three".