82064863 has 4 divisors (see below), whose sum is σ = 82454008. Its totient is φ = 81675720.

The previous prime is 82064837. The next prime is 82064893. The reversal of 82064863 is 36846028.

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 82064863 - 2⁹ = 82064351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82064803) 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, 194256 + ... + 194677.

It is an arithmetic number, because the mean of its divisors is an integer number (20613502).

Almost surely, 2^82064863 is an apocalyptic number.

82064863 is a deficient number, since it is larger than the sum of its proper divisors (389145).

82064863 is a wasteful number, since it uses less digits than its factorization.

82064863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389144.

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 82064863 is about 9058.9658902106. The cubic root of 82064863 is about 434.5626696475.

The spelling of 82064863 in words is "eighty-two million, sixty-four thousand, eight hundred sixty-three".