82871929 has 8 divisors (see below), whose sum is σ = 95137280. Its totient is φ = 70713216.

The previous prime is 82871909. The next prime is 82871933. The reversal of 82871929 is 92917828.

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

It is not a de Polignac number, because 82871929 - 2⁷ = 82871801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82871909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24984 + ... + 28105.

It is an arithmetic number, because the mean of its divisors is an integer number (11892160).

Almost surely, 2^82871929 is an apocalyptic number.

It is an amenable number.

82871929 is a deficient number, since it is larger than the sum of its proper divisors (12265351).

82871929 is a wasteful number, since it uses less digits than its factorization.

82871929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53319.

The product of its digits is 145152, while the sum is 46.

The square root of 82871929 is about 9103.4020563743. The cubic root of 82871929 is about 435.9825923106.

The spelling of 82871929 in words is "eighty-two million, eight hundred seventy-one thousand, nine hundred twenty-nine".