82838311 has 8 divisors (see below), whose sum is σ = 84569184. Its totient is φ = 81113760.

The previous prime is 82838279. The next prime is 82838321. The reversal of 82838311 is 11383828.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 82838311 - 2⁵ = 82838279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82838321) 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 7 ways as a sum of consecutive naturals, for example, 32205 + ... + 34681.

It is an arithmetic number, because the mean of its divisors is an integer number (10571148).

Almost surely, 2^82838311 is an apocalyptic number.

82838311 is a deficient number, since it is larger than the sum of its proper divisors (1730873).

82838311 is a wasteful number, since it uses less digits than its factorization.

82838311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3161.

The product of its digits is 9216, while the sum is 34.

The square root of 82838311 is about 9101.5554165208. Note that the first 3 decimals coincide. The cubic root of 82838311 is about 435.9236304670.

The spelling of 82838311 in words is "eighty-two million, eight hundred thirty-eight thousand, three hundred eleven".