82442647067 has 4 divisors (see below), whose sum is σ = 89937433176. Its totient is φ = 74947860960.

The previous prime is 82442647051. The next prime is 82442647073. The reversal of 82442647067 is 76074624428.

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 82442647067 - 2⁴ = 82442647051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82442647097) 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, 3747393038 + ... + 3747393059.

It is an arithmetic number, because the mean of its divisors is an integer number (22484358294).

Almost surely, 2^82442647067 is an apocalyptic number.

82442647067 is a deficient number, since it is larger than the sum of its proper divisors (7494786109).

82442647067 is a wasteful number, since it uses less digits than its factorization.

82442647067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7494786108.

The product of its (nonzero) digits is 3612672, while the sum is 50.

The spelling of 82442647067 in words is "eighty-two billion, four hundred forty-two million, six hundred forty-seven thousand, sixty-seven".