8105085 has 48 divisors (see below), whose sum is σ = 15095808. Its totient is φ = 4012800.

The previous prime is 8105081. The next prime is 8105087. The reversal of 8105085 is 5805018.

8105085 = 273² + 274² + ... + 354².

It is not a de Polignac number, because 8105085 - 2² = 8105081 is a prime.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8105081) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 42340 + ... + 42530.

It is an arithmetic number, because the mean of its divisors is an integer number (314496).

Almost surely, 2^8105085 is an apocalyptic number.

It is an amenable number.

8105085 is a deficient number, since it is larger than the sum of its proper divisors (6990723).

8105085 is a wasteful number, since it uses less digits than its factorization.

8105085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266 (or 263 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 27.

The square root of 8105085 is about 2846.9430974292. The cubic root of 8105085 is about 200.8719017465.

The spelling of 8105085 in words is "eight million, one hundred five thousand, eighty-five".