80716147 has 4 divisors (see below), whose sum is σ = 81623160. Its totient is φ = 79809136.

The previous prime is 80716079. The next prime is 80716169. The reversal of 80716147 is 74161708.

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 80716147 - 2¹¹ = 80714099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80516147) 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, 453373 + ... + 453550.

It is an arithmetic number, because the mean of its divisors is an integer number (20405790).

Almost surely, 2^80716147 is an apocalyptic number.

80716147 is a deficient number, since it is larger than the sum of its proper divisors (907013).

80716147 is an equidigital number, since it uses as much as digits as its factorization.

80716147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 907012.

The product of its (nonzero) digits is 9408, while the sum is 34.

The square root of 80716147 is about 8984.2165490375. The cubic root of 80716147 is about 432.1688636685.

The spelling of 80716147 in words is "eighty million, seven hundred sixteen thousand, one hundred forty-seven".