80311727 has 4 divisors (see below), whose sum is σ = 84538680. Its totient is φ = 76084776.

The previous prime is 80311709. The next prime is 80311789. The reversal of 80311727 is 72711308.

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 80311727 - 2⁸ = 80311471 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 80311727.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80311327) 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, 2113448 + ... + 2113485.

It is an arithmetic number, because the mean of its divisors is an integer number (21134670).

Almost surely, 2^80311727 is an apocalyptic number.

80311727 is a deficient number, since it is larger than the sum of its proper divisors (4226953).

80311727 is a wasteful number, since it uses less digits than its factorization.

80311727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4226952.

The product of its (nonzero) digits is 2352, while the sum is 29.

The square root of 80311727 is about 8961.6810365020. The cubic root of 80311727 is about 431.4458755363.

The spelling of 80311727 in words is "eighty million, three hundred eleven thousand, seven hundred twenty-seven".