80085311 has 4 divisors (see below), whose sum is σ = 80716032. Its totient is φ = 79454592.

The previous prime is 80085293. The next prime is 80085319. The reversal of 80085311 is 11358008.

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

It is a cyclic number.

It is not a de Polignac number, because 80085311 - 2¹⁴ = 80068927 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 (80085319) 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, 315170 + ... + 315423.

It is an arithmetic number, because the mean of its divisors is an integer number (20179008).

Almost surely, 2^80085311 is an apocalyptic number.

80085311 is a deficient number, since it is larger than the sum of its proper divisors (630721).

80085311 is a wasteful number, since it uses less digits than its factorization.

80085311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630720.

The product of its (nonzero) digits is 960, while the sum is 26.

The square root of 80085311 is about 8949.0396691489. The cubic root of 80085311 is about 431.0400477427.

The spelling of 80085311 in words is "eighty million, eighty-five thousand, three hundred eleven".