80664868406 has 8 divisors (see below), whose sum is σ = 121167963840. Its totient is φ = 40275547128.

The previous prime is 80664868379. The next prime is 80664868421. The reversal of 80664868406 is 60486846608.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28441766 + ... + 28444601.

It is an arithmetic number, because the mean of its divisors is an integer number (15145995480).

Almost surely, 2^80664868406 is an apocalyptic number.

80664868406 is a deficient number, since it is larger than the sum of its proper divisors (40503095434).

80664868406 is a wasteful number, since it uses less digits than its factorization.

80664868406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56887078.

The product of its (nonzero) digits is 10616832, while the sum is 56.

The spelling of 80664868406 in words is "eighty billion, six hundred sixty-four million, eight hundred sixty-eight thousand, four hundred six".