82811802 has 8 divisors (see below), whose sum is σ = 165623616. Its totient is φ = 27603932.

The previous prime is 82811801. The next prime is 82811837. The reversal of 82811802 is 20811828.

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

82811802 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 82811802.

It is not an unprimeable number, because it can be changed into a prime (82811801) 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, 6900978 + ... + 6900989.

It is an arithmetic number, because the mean of its divisors is an integer number (20702952).

Almost surely, 2^82811802 is an apocalyptic number.

82811802 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82811802 is a wasteful number, since it uses less digits than its factorization.

82811802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13801972.

The product of its (nonzero) digits is 2048, while the sum is 30.

The square root of 82811802 is about 9100.0990104504. The cubic root of 82811802 is about 435.8771256866.

The spelling of 82811802 in words is "eighty-two million, eight hundred eleven thousand, eight hundred two".