80680321 has 8 divisors (see below), whose sum is σ = 83476224. Its totient is φ = 77896560.

The previous prime is 80680307. The next prime is 80680337. The reversal of 80680321 is 12308608.

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

It is a cyclic number.

It is not a de Polignac number, because 80680321 - 2¹³ = 80672129 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 80680321.

It is not an unprimeable number, because it can be changed into a prime (80680381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11691 + ... + 17263.

It is an arithmetic number, because the mean of its divisors is an integer number (10434528).

Almost surely, 2^80680321 is an apocalyptic number.

It is an amenable number.

80680321 is a deficient number, since it is larger than the sum of its proper divisors (2795903).

80680321 is a wasteful number, since it uses less digits than its factorization.

80680321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6071.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 80680321 is about 8982.2224978009. Note that the first 3 decimals coincide. The cubic root of 80680321 is about 432.1049145763.

Adding to 80680321 its reverse (12308608), we get a palindrome (92988929).

The spelling of 80680321 in words is "eighty million, six hundred eighty thousand, three hundred twenty-one".