82818841 has 16 divisors (see below), whose sum is σ = 97413120. Its totient is φ = 68939280.

The previous prime is 82818821. The next prime is 82818847. The reversal of 82818841 is 14881828.

It is a cyclic number.

It is not a de Polignac number, because 82818841 - 2¹⁷ = 82687769 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 82818794 and 82818803.

It is not an unprimeable number, because it can be changed into a prime (82818847) 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 15 ways as a sum of consecutive naturals, for example, 44826 + ... + 46636.

It is an arithmetic number, because the mean of its divisors is an integer number (6088320).

Almost surely, 2^82818841 is an apocalyptic number.

It is an amenable number.

82818841 is a deficient number, since it is larger than the sum of its proper divisors (14594279).

82818841 is a wasteful number, since it uses less digits than its factorization.

82818841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2004.

The product of its digits is 32768, while the sum is 40.

The square root of 82818841 is about 9100.4857562660. The cubic root of 82818841 is about 435.8894751830.

The spelling of 82818841 in words is "eighty-two million, eight hundred eighteen thousand, eight hundred forty-one".