82706271 has 4 divisors (see below), whose sum is σ = 110275032. Its totient is φ = 55137512.

The previous prime is 82706269. The next prime is 82706279. The reversal of 82706271 is 17260728.

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 82706271 - 2¹ = 82706269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82706279) 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, 13784376 + ... + 13784381.

It is an arithmetic number, because the mean of its divisors is an integer number (27568758).

Almost surely, 2^82706271 is an apocalyptic number.

82706271 is a deficient number, since it is larger than the sum of its proper divisors (27568761).

82706271 is a wasteful number, since it uses less digits than its factorization.

82706271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27568760.

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 82706271 is about 9094.2988184906. The cubic root of 82706271 is about 435.6918940285.

Adding to 82706271 its reverse (17260728), we get a palindrome (99966999).

It can be divided in two parts, 8270 and 6271, that added together give a palindrome (14541).

The spelling of 82706271 in words is "eighty-two million, seven hundred six thousand, two hundred seventy-one".