80013805 has 16 divisors (see below), whose sum is σ = 97853184. Its totient is φ = 62796160.

The previous prime is 80013763. The next prime is 80013811. The reversal of 80013805 is 50831008.

It is not a de Polignac number, because 80013805 - 2⁷ = 80013677 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 80013805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92937 + ... + 93793.

It is an arithmetic number, because the mean of its divisors is an integer number (6115824).

Almost surely, 2^80013805 is an apocalyptic number.

It is an amenable number.

80013805 is a deficient number, since it is larger than the sum of its proper divisors (17839379).

80013805 is a wasteful number, since it uses less digits than its factorization.

80013805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1196.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 80013805 is about 8945.0435996702. The cubic root of 80013805 is about 430.9117215566.

The spelling of 80013805 in words is "eighty million, thirteen thousand, eight hundred five".