82871411 has 4 divisors (see below), whose sum is σ = 94710192. Its totient is φ = 71032632.

The previous prime is 82871389. The next prime is 82871417. The reversal of 82871411 is 11417828.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 82871411 - 2¹⁰ = 82870387 is a prime.

It is a super-2 number, since 2×82871411² = 13735341522261842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82871417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5919380 + ... + 5919393.

It is an arithmetic number, because the mean of its divisors is an integer number (23677548).

Almost surely, 2^82871411 is an apocalyptic number.

82871411 is a deficient number, since it is larger than the sum of its proper divisors (11838781).

82871411 is a wasteful number, since it uses less digits than its factorization.

82871411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11838780.

The product of its digits is 3584, while the sum is 32.

The square root of 82871411 is about 9103.3736054278. The cubic root of 82871411 is about 435.9816839232.

The spelling of 82871411 in words is "eighty-two million, eight hundred seventy-one thousand, four hundred eleven".