80593805 has 4 divisors (see below), whose sum is σ = 96712572. Its totient is φ = 64475040.

The previous prime is 80593789. The next prime is 80593811. The reversal of 80593805 is 50839508.

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

It can be written as a sum of positive squares in 2 ways, for example, as 55383364 + 25210441 = 7442^2 + 5021^2 .

It is not a de Polignac number, because 80593805 - 2⁴ = 80593789 is a prime.

It is a super-2 number, since 2×80593805² = 12990722808756050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8059376 + ... + 8059385.

It is an arithmetic number, because the mean of its divisors is an integer number (24178143).

Almost surely, 2^80593805 is an apocalyptic number.

It is an amenable number.

80593805 is a deficient number, since it is larger than the sum of its proper divisors (16118767).

80593805 is a wasteful number, since it uses less digits than its factorization.

80593805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16118766.

The product of its (nonzero) digits is 43200, while the sum is 38.

The square root of 80593805 is about 8977.4052487342. The cubic root of 80593805 is about 431.9504061867.

The spelling of 80593805 in words is "eighty million, five hundred ninety-three thousand, eight hundred five".