82019108 has 6 divisors (see below), whose sum is σ = 143533446. Its totient is φ = 41009552.

The previous prime is 82019099. The next prime is 82019111. The reversal of 82019108 is 80191028.

It can be written as a sum of positive squares in only one way, i.e., 72046144 + 9972964 = 8488^2 + 3158^2 .

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 as a sum of consecutive naturals, namely, 10252385 + ... + 10252392.

It is an arithmetic number, because the mean of its divisors is an integer number (23922241).

Almost surely, 2^82019108 is an apocalyptic number.

It is an amenable number.

82019108 is a deficient number, since it is larger than the sum of its proper divisors (61514338).

82019108 is a wasteful number, since it uses less digits than its factorization.

82019108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20504781 (or 20504779 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 29.

The square root of 82019108 is about 9056.4401394809. The cubic root of 82019108 is about 434.4818916277.

The spelling of 82019108 in words is "eighty-two million, nineteen thousand, one hundred eight".