80717743 has 2 divisors, whose sum is σ = 80717744. Its totient is φ = 80717742.

The previous prime is 80717713. The next prime is 80717761. The reversal of 80717743 is 34771708.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80717743 - 2⁵ = 80717711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80717713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40358871 + 40358872.

It is an arithmetic number, because the mean of its divisors is an integer number (40358872).

Almost surely, 2^80717743 is an apocalyptic number.

80717743 is a deficient number, since it is larger than the sum of its proper divisors (1).

80717743 is an equidigital number, since it uses as much as digits as its factorization.

80717743 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32928, while the sum is 37.

The square root of 80717743 is about 8984.3053710345. The cubic root of 80717743 is about 432.1717120741.

The spelling of 80717743 in words is "eighty million, seven hundred seventeen thousand, seven hundred forty-three".