82814827 has 4 divisors (see below), whose sum is σ = 83812680. Its totient is φ = 81816976.

The previous prime is 82814813. The next prime is 82814833. The reversal of 82814827 is 72841828.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82814827 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 82814827.

It is not an unprimeable number, because it can be changed into a prime (82884827) 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, 498802 + ... + 498967.

It is an arithmetic number, because the mean of its divisors is an integer number (20953170).

Almost surely, 2^82814827 is an apocalyptic number.

82814827 is a deficient number, since it is larger than the sum of its proper divisors (997853).

82814827 is an equidigital number, since it uses as much as digits as its factorization.

82814827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 997852.

The product of its digits is 57344, while the sum is 40.

The square root of 82814827 is about 9100.2652159154. The cubic root of 82814827 is about 435.8824329504.

The spelling of 82814827 in words is "eighty-two million, eight hundred fourteen thousand, eight hundred twenty-seven".