80794559 has 4 divisors (see below), whose sum is σ = 82765200. Its totient is φ = 78823920.

The previous prime is 80794543. The next prime is 80794573. The reversal of 80794559 is 95549708.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 80794559 - 2⁴ = 80794543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80794579) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 985259 + ... + 985340.

It is an arithmetic number, because the mean of its divisors is an integer number (20691300).

Almost surely, 2^80794559 is an apocalyptic number.

80794559 is a deficient number, since it is larger than the sum of its proper divisors (1970641).

80794559 is a wasteful number, since it uses less digits than its factorization.

80794559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1970640.

The product of its (nonzero) digits is 453600, while the sum is 47.

The square root of 80794559 is about 8988.5793649497. The cubic root of 80794559 is about 432.3087623911.

The spelling of 80794559 in words is "eighty million, seven hundred ninety-four thousand, five hundred fifty-nine".