82685607 has 4 divisors (see below), whose sum is σ = 110247480. Its totient is φ = 55123736.

The previous prime is 82685597. The next prime is 82685611. The reversal of 82685607 is 70658628.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 82685607 - 2⁴ = 82685591 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82685627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13780932 + ... + 13780937.

It is an arithmetic number, because the mean of its divisors is an integer number (27561870).

Almost surely, 2^82685607 is an apocalyptic number.

82685607 is a deficient number, since it is larger than the sum of its proper divisors (27561873).

82685607 is a wasteful number, since it uses less digits than its factorization.

82685607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27561872.

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 82685607 is about 9093.1626511352. The cubic root of 82685607 is about 435.6556054170.

The spelling of 82685607 in words is "eighty-two million, six hundred eighty-five thousand, six hundred seven".