82871822 has 16 divisors (see below), whose sum is σ = 136477872. Its totient is φ = 37427520.

The previous prime is 82871819. The next prime is 82871849. The reversal of 82871822 is 22817828.

It is a congruent number.

It is an unprimeable number.

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, 8543 + ... + 15450.

It is an arithmetic number, because the mean of its divisors is an integer number (8529867).

Almost surely, 2^82871822 is an apocalyptic number.

82871822 is a deficient number, since it is larger than the sum of its proper divisors (53606050).

82871822 is a wasteful number, since it uses less digits than its factorization.

82871822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24163.

The product of its digits is 28672, while the sum is 38.

The square root of 82871822 is about 9103.3961794486. The cubic root of 82871822 is about 435.9824046711.

The spelling of 82871822 in words is "eighty-two million, eight hundred seventy-one thousand, eight hundred twenty-two".