82685764 has 12 divisors (see below), whose sum is σ = 165371584. Its totient is φ = 35436744.

The previous prime is 82685753. The next prime is 82685783. The reversal of 82685764 is 46758628.

82685764 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1476504 + ... + 1476559.

Almost surely, 2^82685764 is an apocalyptic number.

It is an amenable number.

82685764 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82685764 is a wasteful number, since it uses less digits than its factorization.

82685764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2953074 (or 2953072 counting only the distinct ones).

The product of its digits is 645120, while the sum is 46.

The square root of 82685764 is about 9093.1712839911. The cubic root of 82685764 is about 435.6558811518.

The spelling of 82685764 in words is "eighty-two million, six hundred eighty-five thousand, seven hundred sixty-four".