82171467 has 12 divisors (see below), whose sum is σ = 135648240. Its totient is φ = 46955088.

The previous prime is 82171459. The next prime is 82171469. The reversal of 82171467 is 76417128.

It is not a de Polignac number, because 82171467 - 2³ = 82171459 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82171469) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 652092 + ... + 652217.

It is an arithmetic number, because the mean of its divisors is an integer number (11304020).

Almost surely, 2^82171467 is an apocalyptic number.

82171467 is a deficient number, since it is larger than the sum of its proper divisors (53476773).

82171467 is a wasteful number, since it uses less digits than its factorization.

82171467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1304322 (or 1304319 counting only the distinct ones).

The product of its digits is 18816, while the sum is 36.

The square root of 82171467 is about 9064.8478751714. The cubic root of 82171467 is about 434.7507569404.

The spelling of 82171467 in words is "eighty-two million, one hundred seventy-one thousand, four hundred sixty-seven".