82067686 has 4 divisors (see below), whose sum is σ = 123101532. Its totient is φ = 41033842.

The previous prime is 82067659. The next prime is 82067731. The reversal of 82067686 is 68676028.

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

It is a congruent number.

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 as a sum of consecutive naturals, namely, 20516920 + ... + 20516923.

It is an arithmetic number, because the mean of its divisors is an integer number (30775383).

Almost surely, 2^82067686 is an apocalyptic number.

82067686 is a deficient number, since it is larger than the sum of its proper divisors (41033846).

82067686 is a wasteful number, since it uses less digits than its factorization.

82067686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41033845.

The product of its (nonzero) digits is 193536, while the sum is 43.

The square root of 82067686 is about 9059.1217013571. The cubic root of 82067686 is about 434.5676525205.

The spelling of 82067686 in words is "eighty-two million, sixty-seven thousand, six hundred eighty-six".