80855743 has 2 divisors, whose sum is σ = 80855744. Its totient is φ = 80855742.

The previous prime is 80855737. The next prime is 80855759. The reversal of 80855743 is 34755808.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80855743 - 2⁵ = 80855711 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 80855696 and 80855705.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80855713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40427871 + 40427872.

It is an arithmetic number, because the mean of its divisors is an integer number (40427872).

Almost surely, 2^80855743 is an apocalyptic number.

80855743 is a deficient number, since it is larger than the sum of its proper divisors (1).

80855743 is an equidigital number, since it uses as much as digits as its factorization.

80855743 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 134400, while the sum is 40.

The square root of 80855743 is about 8991.9821507830. The cubic root of 80855743 is about 432.4178609314.

The spelling of 80855743 in words is "eighty million, eight hundred fifty-five thousand, seven hundred forty-three".