80437085 has 4 divisors (see below), whose sum is σ = 96524508. Its totient is φ = 64349664.

The previous prime is 80437079. The next prime is 80437103. The reversal of 80437085 is 58073408.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13147876 + 67289209 = 3626^2 + 8203^2 .

It is a cyclic number.

It is not a de Polignac number, because 80437085 - 2¹⁴ = 80420701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8043704 + ... + 8043713.

It is an arithmetic number, because the mean of its divisors is an integer number (24131127).

Almost surely, 2^80437085 is an apocalyptic number.

It is an amenable number.

80437085 is a deficient number, since it is larger than the sum of its proper divisors (16087423).

80437085 is a wasteful number, since it uses less digits than its factorization.

80437085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16087422.

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 80437085 is about 8968.6724212673. The cubic root of 80437085 is about 431.6702391009.

The spelling of 80437085 in words is "eighty million, four hundred thirty-seven thousand, eighty-five".