80385481 has 4 divisors (see below), whose sum is σ = 87693264. Its totient is φ = 73077700.

The previous prime is 80385443. The next prime is 80385491. The reversal of 80385481 is 18458308.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 80385481 - 2⁷ = 80385353 is a prime.

It is a super-2 number, since 2×80385481² = 12923651111202722, which contains 22 as substring.

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 80385481.

It is not an unprimeable number, because it can be changed into a prime (80385421) 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 3 ways as a sum of consecutive naturals, for example, 3653875 + ... + 3653896.

It is an arithmetic number, because the mean of its divisors is an integer number (21923316).

Almost surely, 2^80385481 is an apocalyptic number.

It is an amenable number.

80385481 is a deficient number, since it is larger than the sum of its proper divisors (7307783).

80385481 is a wasteful number, since it uses less digits than its factorization.

80385481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7307782.

The product of its (nonzero) digits is 30720, while the sum is 37.

The square root of 80385481 is about 8965.7950567699. The cubic root of 80385481 is about 431.5779074093.

The spelling of 80385481 in words is "eighty million, three hundred eighty-five thousand, four hundred eighty-one".