80808079 has 4 divisors (see below), whose sum is σ = 88154280. Its totient is φ = 73461880.

The previous prime is 80808071. The next prime is 80808107. The reversal of 80808079 is 97080808.

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 80808079 - 2³ = 80808071 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80808071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3673084 + ... + 3673105.

It is an arithmetic number, because the mean of its divisors is an integer number (22038570).

Almost surely, 2^80808079 is an apocalyptic number.

80808079 is a deficient number, since it is larger than the sum of its proper divisors (7346201).

80808079 is a wasteful number, since it uses less digits than its factorization.

80808079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7346200.

The product of its (nonzero) digits is 32256, while the sum is 40.

The square root of 80808079 is about 8989.3313989417. The cubic root of 80808079 is about 432.3328749409.

The spelling of 80808079 in words is "eighty million, eight hundred eight thousand, seventy-nine".