82138104547 has 2 divisors, whose sum is σ = 82138104548. Its totient is φ = 82138104546.

The previous prime is 82138104493. The next prime is 82138104569. The reversal of 82138104547 is 74540183128.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 82138104547 - 2²³ = 82129715939 is a prime.

It is not a weakly prime, because it can be changed into another prime (82138104047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41069052273 + 41069052274.

It is an arithmetic number, because the mean of its divisors is an integer number (41069052274).

Almost surely, 2^82138104547 is an apocalyptic number.

82138104547 is a deficient number, since it is larger than the sum of its proper divisors (1).

82138104547 is an equidigital number, since it uses as much as digits as its factorization.

82138104547 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 215040, while the sum is 43.

The spelling of 82138104547 in words is "eighty-two billion, one hundred thirty-eight million, one hundred four thousand, five hundred forty-seven".