80009305 has 8 divisors (see below), whose sum is σ = 96107400. Its totient is φ = 63943296.

The previous prime is 80009299. The next prime is 80009317. The reversal of 80009305 is 50390008.

It can be written as a sum of positive squares in 4 ways, for example, as 389376 + 79619929 = 624^2 + 8923^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 80009305 - 2⁷ = 80009177 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 80009305.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2140 + ... + 12829.

It is an arithmetic number, because the mean of its divisors is an integer number (12013425).

Almost surely, 2^80009305 is an apocalyptic number.

It is an amenable number.

80009305 is a deficient number, since it is larger than the sum of its proper divisors (16098095).

80009305 is a wasteful number, since it uses less digits than its factorization.

80009305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16043.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 80009305 is about 8944.7920601879. The cubic root of 80009305 is about 430.9036432044.

The spelling of 80009305 in words is "eighty million, nine thousand, three hundred five".