82068540162047 has 4 divisors (see below), whose sum is σ = 82914607586496. Its totient is φ = 81222472737600.

The previous prime is 82068540162041. The next prime is 82068540162071. The reversal of 82068540162047 is 74026104586028.

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 82068540162047 - 2²⁰ = 82068539113471 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 82068540162047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82068540162041) 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, 423033712079 + ... + 423033712272.

It is an arithmetic number, because the mean of its divisors is an integer number (20728651896624).

Almost surely, 2^{82068540162047} is an apocalyptic number.

82068540162047 is a deficient number, since it is larger than the sum of its proper divisors (846067424449).

82068540162047 is an equidigital number, since it uses as much as digits as its factorization.

82068540162047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 846067424448.

The product of its (nonzero) digits is 5160960, while the sum is 53.

The spelling of 82068540162047 in words is "eighty-two trillion, sixty-eight billion, five hundred forty million, one hundred sixty-two thousand, forty-seven".