82019011 has 6 divisors (see below), whose sum is σ = 82380012. Its totient is φ = 81659340.

The previous prime is 82018967. The next prime is 82019057. The reversal of 82019011 is 11091028.

It is not a de Polignac number, because 82019011 - 2⁹ = 82018499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82019111) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 143356 + ... + 143926.

It is an arithmetic number, because the mean of its divisors is an integer number (13730002).

Almost surely, 2^82019011 is an apocalyptic number.

82019011 is a deficient number, since it is larger than the sum of its proper divisors (361001).

82019011 is an frugal number, since it uses more digits than its factorization.

82019011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1329 (or 950 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 22.

The square root of 82019011 is about 9056.4347841742. The cubic root of 82019011 is about 434.4817203474.

The spelling of 82019011 in words is "eighty-two million, nineteen thousand, eleven".