80585939 has 6 divisors (see below), whose sum is σ = 93742884. Its totient is φ = 69073620.

The previous prime is 80585929. The next prime is 80585959. The reversal of 80585939 is 93958508.

It is not a de Polignac number, because 80585939 - 2¹⁶ = 80520403 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 80585893 and 80585902.

It is not an unprimeable number, because it can be changed into a prime (80585909) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 822257 + ... + 822354.

It is an arithmetic number, because the mean of its divisors is an integer number (15623814).

Almost surely, 2^80585939 is an apocalyptic number.

80585939 is a deficient number, since it is larger than the sum of its proper divisors (13156945).

80585939 is a wasteful number, since it uses less digits than its factorization.

80585939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1644625 (or 1644618 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 47.

The square root of 80585939 is about 8976.9671381820. The cubic root of 80585939 is about 431.9363528632.

The spelling of 80585939 in words is "eighty million, five hundred eighty-five thousand, nine hundred thirty-nine".