82067087 has 4 divisors (see below), whose sum is σ = 82287480. Its totient is φ = 81846696.

The previous prime is 82067047. The next prime is 82067093. The reversal of 82067087 is 78076028.

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 82067087 - 2¹² = 82062991 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 82067087.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82067047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109637 + ... + 110382.

It is an arithmetic number, because the mean of its divisors is an integer number (20571870).

Almost surely, 2^82067087 is an apocalyptic number.

82067087 is a deficient number, since it is larger than the sum of its proper divisors (220393).

82067087 is a wasteful number, since it uses less digits than its factorization.

82067087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220392.

The product of its (nonzero) digits is 37632, while the sum is 38.

The square root of 82067087 is about 9059.0886406967. The cubic root of 82067087 is about 434.5665952360.

The spelling of 82067087 in words is "eighty-two million, sixty-seven thousand, eighty-seven".