80682805 has 16 divisors (see below), whose sum is σ = 110824704. Its totient is φ = 55238400.

The previous prime is 80682803. The next prime is 80682817. The reversal of 80682805 is 50828608.

It is not a de Polignac number, because 80682805 - 2¹ = 80682803 is a prime.

It is a super-3 number, since 3×80682805³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80682803) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27405 + ... + 30205.

It is an arithmetic number, because the mean of its divisors is an integer number (6926544).

Almost surely, 2^80682805 is an apocalyptic number.

It is an amenable number.

80682805 is a deficient number, since it is larger than the sum of its proper divisors (30141899).

80682805 is a wasteful number, since it uses less digits than its factorization.

80682805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3636.

The product of its (nonzero) digits is 30720, while the sum is 37.

The square root of 80682805 is about 8982.3607698645. The cubic root of 80682805 is about 432.1093491050.

The spelling of 80682805 in words is "eighty million, six hundred eighty-two thousand, eight hundred five".