80085541 has 4 divisors (see below), whose sum is σ = 80834112. Its totient is φ = 79336972.

The previous prime is 80085529. The next prime is 80085557. The reversal of 80085541 is 14558008.

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 80085541 - 2⁷ = 80085413 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 (80085581) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 374125 + ... + 374338.

It is an arithmetic number, because the mean of its divisors is an integer number (20208528).

Almost surely, 2^80085541 is an apocalyptic number.

It is an amenable number.

80085541 is a deficient number, since it is larger than the sum of its proper divisors (748571).

80085541 is a wasteful number, since it uses less digits than its factorization.

80085541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 748570.

The product of its (nonzero) digits is 6400, while the sum is 31.

The square root of 80085541 is about 8949.0525196805. The cubic root of 80085541 is about 431.0404603823.

The spelling of 80085541 in words is "eighty million, eighty-five thousand, five hundred forty-one".