82564411 has 4 divisors (see below), whose sum is σ = 86154192. Its totient is φ = 78974632.

The previous prime is 82564403. The next prime is 82564451. The reversal of 82564411 is 11446528.

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 82564411 - 2³ = 82564403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82564451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1794856 + ... + 1794901.

It is an arithmetic number, because the mean of its divisors is an integer number (21538548).

Almost surely, 2^82564411 is an apocalyptic number.

82564411 is a deficient number, since it is larger than the sum of its proper divisors (3589781).

82564411 is a wasteful number, since it uses less digits than its factorization.

82564411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3589780.

The product of its digits is 7680, while the sum is 31.

The square root of 82564411 is about 9086.4960793476. The cubic root of 82564411 is about 435.4426480207.

The spelling of 82564411 in words is "eighty-two million, five hundred sixty-four thousand, four hundred eleven".