80327999 has 16 divisors (see below), whose sum is σ = 87378720. Its totient is φ = 73664640.

The previous prime is 80327993. The next prime is 80328011. The reversal of 80327999 is 99972308.

It is not a de Polignac number, because 80327999 - 2²⁴ = 63550783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80327993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45269 + ... + 47009.

It is an arithmetic number, because the mean of its divisors is an integer number (5461170).

Almost surely, 2^80327999 is an apocalyptic number.

80327999 is a deficient number, since it is larger than the sum of its proper divisors (7050721).

80327999 is a wasteful number, since it uses less digits than its factorization.

80327999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1850.

The product of its (nonzero) digits is 244944, while the sum is 47.

The square root of 80327999 is about 8962.5888559054. The cubic root of 80327999 is about 431.4750120583.

The spelling of 80327999 in words is "eighty million, three hundred twenty-seven thousand, nine hundred ninety-nine".