82132805 has 16 divisors (see below), whose sum is σ = 99969024. Its totient is φ = 64774080.

The previous prime is 82132789. The next prime is 82132819. The reversal of 82132805 is 50823128.

It is not a de Polignac number, because 82132805 - 2⁴ = 82132789 is a prime.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133679 + ... + 134291.

It is an arithmetic number, because the mean of its divisors is an integer number (6248064).

Almost surely, 2^82132805 is an apocalyptic number.

It is an amenable number.

82132805 is a deficient number, since it is larger than the sum of its proper divisors (17836219).

82132805 is a wasteful number, since it uses less digits than its factorization.

82132805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 956.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 82132805 is about 9062.7151008955. The cubic root of 82132805 is about 434.6825622608.

The spelling of 82132805 in words is "eighty-two million, one hundred thirty-two thousand, eight hundred five".