80327690 has 8 divisors (see below), whose sum is σ = 144589860. Its totient is φ = 32131072.

The previous prime is 80327677. The next prime is 80327699. The reversal of 80327690 is 9672308.

It can be written as a sum of positive squares in 2 ways, for example, as 80263681 + 64009 = 8959^2 + 253^2 .

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

It is a super-2 number, since 2×80327690² = 12905075561472200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 80327690.

It is not an unprimeable number, because it can be changed into a prime (80327699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4016375 + ... + 4016394.

Almost surely, 2^80327690 is an apocalyptic number.

80327690 is a deficient number, since it is larger than the sum of its proper divisors (64262170).

80327690 is a wasteful number, since it uses less digits than its factorization.

80327690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8032776.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 80327690 is about 8962.5716175660. The cubic root of 80327690 is about 431.4744588018.

Adding to 80327690 its reverse (9672308), we get a palindrome (89999998).

The spelling of 80327690 in words is "eighty million, three hundred twenty-seven thousand, six hundred ninety".