80481811 has 8 divisors (see below), whose sum is σ = 82976544. Its totient is φ = 78012480.

The previous prime is 80481763. The next prime is 80481827. The reversal of 80481811 is 11818408.

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

It is a cyclic number.

It is not a de Polignac number, because 80481811 - 2⁷ = 80481683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80481871) 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 7 ways as a sum of consecutive naturals, for example, 186 + ... + 12688.

It is an arithmetic number, because the mean of its divisors is an integer number (10372068).

Almost surely, 2^80481811 is an apocalyptic number.

80481811 is a deficient number, since it is larger than the sum of its proper divisors (2494733).

80481811 is a wasteful number, since it uses less digits than its factorization.

80481811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12701.

The product of its (nonzero) digits is 2048, while the sum is 31.

The square root of 80481811 is about 8971.1655318582. The cubic root of 80481811 is about 431.7502324927.

The spelling of 80481811 in words is "eighty million, four hundred eighty-one thousand, eight hundred eleven".