82171059 has 8 divisors (see below), whose sum is σ = 109635792. Its totient is φ = 54743520.

The previous prime is 82171057. The next prime is 82171091. The reversal of 82171059 is 95017128.

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

It is not a de Polignac number, because 82171059 - 2¹ = 82171057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82171057) 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, 3652 + ... + 13329.

It is an arithmetic number, because the mean of its divisors is an integer number (13704474).

Almost surely, 2^82171059 is an apocalyptic number.

82171059 is a deficient number, since it is larger than the sum of its proper divisors (27464733).

82171059 is a wasteful number, since it uses less digits than its factorization.

82171059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18597.

The product of its (nonzero) digits is 5040, while the sum is 33.

The square root of 82171059 is about 9064.8253706290. The cubic root of 82171059 is about 434.7500373938.

The spelling of 82171059 in words is "eighty-two million, one hundred seventy-one thousand, fifty-nine".