82911427 has 4 divisors (see below), whose sum is σ = 83041416. Its totient is φ = 82781440.

The previous prime is 82911403. The next prime is 82911443. The reversal of 82911427 is 72411928.

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 82911427 - 2⁷ = 82911299 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 82911392 and 82911401.

It is not an unprimeable number, because it can be changed into a prime (82911467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64033 + ... + 65314.

It is an arithmetic number, because the mean of its divisors is an integer number (20760354).

Almost surely, 2^82911427 is an apocalyptic number.

82911427 is a deficient number, since it is larger than the sum of its proper divisors (129989).

82911427 is a wasteful number, since it uses less digits than its factorization.

82911427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129988.

The product of its digits is 8064, while the sum is 34.

The square root of 82911427 is about 9105.5712066844. The cubic root of 82911427 is about 436.0518465825.

It can be divided in two parts, 82911 and 427, that added together give a palindrome (83338).

The spelling of 82911427 in words is "eighty-two million, nine hundred eleven thousand, four hundred twenty-seven".