82063687 has 4 divisors (see below), whose sum is σ = 82614600. Its totient is φ = 81512776.

The previous prime is 82063661. The next prime is 82063703. The reversal of 82063687 is 78636028.

It is a happy number.

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 82063687 - 2⁷ = 82063559 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82061687) 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, 275233 + ... + 275530.

It is an arithmetic number, because the mean of its divisors is an integer number (20653650).

Almost surely, 2^82063687 is an apocalyptic number.

82063687 is a deficient number, since it is larger than the sum of its proper divisors (550913).

82063687 is a wasteful number, since it uses less digits than its factorization.

82063687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550912.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 82063687 is about 9058.9009819072. The cubic root of 82063687 is about 434.5605938580.

The spelling of 82063687 in words is "eighty-two million, sixty-three thousand, six hundred eighty-seven".