80679916 has 12 divisors (see below), whose sum is σ = 141275232. Its totient is φ = 40315568.

The previous prime is 80679899. The next prime is 80679917. The reversal of 80679916 is 61997608.

It is not an unprimeable number, because it can be changed into a prime (80679917) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2781 + ... + 13003.

It is an arithmetic number, because the mean of its divisors is an integer number (11772936).

Almost surely, 2^80679916 is an apocalyptic number.

It is an amenable number.

80679916 is a deficient number, since it is larger than the sum of its proper divisors (60595316).

80679916 is a wasteful number, since it uses less digits than its factorization.

80679916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12200 (or 12198 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 46.

The square root of 80679916 is about 8982.1999532409. The cubic root of 80679916 is about 432.1041915467.

The spelling of 80679916 in words is "eighty million, six hundred seventy-nine thousand, nine hundred sixteen".