80517827 has 8 divisors (see below), whose sum is σ = 87810240. Its totient is φ = 73382400.

The previous prime is 80517817. The next prime is 80517841. The reversal of 80517827 is 72871508.

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

It is not a de Polignac number, because 80517827 - 2¹⁰ = 80516803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80517817) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 38174 + ... + 40227.

It is an arithmetic number, because the mean of its divisors is an integer number (10976280).

Almost surely, 2^80517827 is an apocalyptic number.

80517827 is a deficient number, since it is larger than the sum of its proper divisors (7292413).

80517827 is a wasteful number, since it uses less digits than its factorization.

80517827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78493.

The product of its (nonzero) digits is 31360, while the sum is 38.

The square root of 80517827 is about 8973.1726273376. The cubic root of 80517827 is about 431.8146263278.

The spelling of 80517827 in words is "eighty million, five hundred seventeen thousand, eight hundred twenty-seven".