82057605 has 64 divisors (see below), whose sum is σ = 157248000. Its totient is φ = 36503040.

The previous prime is 82057597. The next prime is 82057607. The reversal of 82057605 is 50675028.

It is a happy number.

It is not a de Polignac number, because 82057605 - 2³ = 82057597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82057607) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 210751 + ... + 211139.

It is an arithmetic number, because the mean of its divisors is an integer number (2457000).

Almost surely, 2^82057605 is an apocalyptic number.

It is an amenable number.

82057605 is a deficient number, since it is larger than the sum of its proper divisors (75190395).

82057605 is a wasteful number, since it uses less digits than its factorization.

82057605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459 (or 445 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 82057605 is about 9058.5652837522. The cubic root of 82057605 is about 434.5498580384.

The spelling of 82057605 in words is "eighty-two million, fifty-seven thousand, six hundred five".