80394005 has 16 divisors (see below), whose sum is σ = 99878400. Its totient is φ = 62057280.

The previous prime is 80393977. The next prime is 80394019. The reversal of 80394005 is 50049308.

It is not a de Polignac number, because 80394005 - 2⁶ = 80393941 is a prime.

It is a Curzon number.

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, 78386 + ... + 79404.

It is an arithmetic number, because the mean of its divisors is an integer number (6242400).

Almost surely, 2^80394005 is an apocalyptic number.

It is an amenable number.

80394005 is a deficient number, since it is larger than the sum of its proper divisors (19484395).

80394005 is a wasteful number, since it uses less digits than its factorization.

80394005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1564.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 80394005 is about 8966.2704063618. The cubic root of 80394005 is about 431.5931615738.

The spelling of 80394005 in words is "eighty million, three hundred ninety-four thousand, five".