82019465 has 16 divisors (see below), whose sum is σ = 109658880. Its totient is φ = 58379520.

The previous prime is 82019429. The next prime is 82019471. The reversal of 82019465 is 56491028.

It is not a de Polignac number, because 82019465 - 2⁶ = 82019401 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 13280 + ... + 18449.

It is an arithmetic number, because the mean of its divisors is an integer number (6853680).

Almost surely, 2^82019465 is an apocalyptic number.

It is an amenable number.

82019465 is a deficient number, since it is larger than the sum of its proper divisors (27639415).

82019465 is a wasteful number, since it uses less digits than its factorization.

82019465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31792.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 82019465 is about 9056.4598491905. The cubic root of 82019465 is about 434.4825220084.

The spelling of 82019465 in words is "eighty-two million, nineteen thousand, four hundred sixty-five".