82805107 has 8 divisors (see below), whose sum is σ = 103237632. Its totient is φ = 64523400.

The previous prime is 82805101. The next prime is 82805131. The reversal of 82805107 is 70150828.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 82805107 - 2¹⁹ = 82280819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82805101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 537619 + ... + 537772.

It is an arithmetic number, because the mean of its divisors is an integer number (12904704).

Almost surely, 2^82805107 is an apocalyptic number.

82805107 is a deficient number, since it is larger than the sum of its proper divisors (20432525).

82805107 is a wasteful number, since it uses less digits than its factorization.

82805107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075409.

The product of its (nonzero) digits is 4480, while the sum is 31.

The square root of 82805107 is about 9099.7311498747. The cubic root of 82805107 is about 435.8653790678.

The spelling of 82805107 in words is "eighty-two million, eight hundred five thousand, one hundred seven".