82812671 has 4 divisors (see below), whose sum is σ = 82935672. Its totient is φ = 82689672.

The previous prime is 82812649. The next prime is 82812677. The reversal of 82812671 is 17621828.

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 82812671 - 2⁶ = 82812607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82812677) 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, 60485 + ... + 61838.

It is an arithmetic number, because the mean of its divisors is an integer number (20733918).

Almost surely, 2^82812671 is an apocalyptic number.

82812671 is a deficient number, since it is larger than the sum of its proper divisors (123001).

82812671 is a wasteful number, since it uses less digits than its factorization.

82812671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123000.

The product of its digits is 10752, while the sum is 35.

The square root of 82812671 is about 9100.1467570584. The cubic root of 82812671 is about 435.8786503320.

The spelling of 82812671 in words is "eighty-two million, eight hundred twelve thousand, six hundred seventy-one".