80559743 has 6 divisors (see below), whose sum is σ = 88549272. Its totient is φ = 73236020.

The previous prime is 80559737. The next prime is 80559749. The reversal of 80559743 is 34795508.

It is an interprime number because it is at equal distance from previous prime (80559737) and next prime (80559749).

It is not a de Polignac number, because 80559743 - 2⁴ = 80559727 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 80559743.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80559749) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 332771 + ... + 333012.

It is an arithmetic number, because the mean of its divisors is an integer number (14758212).

Almost surely, 2^80559743 is an apocalyptic number.

80559743 is a deficient number, since it is larger than the sum of its proper divisors (7989529).

80559743 is a wasteful number, since it uses less digits than its factorization.

80559743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665805 (or 665794 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 41.

The square root of 80559743 is about 8975.5079521997. The cubic root of 80559743 is about 431.8895447346.

The spelling of 80559743 in words is "eighty million, five hundred fifty-nine thousand, seven hundred forty-three".