82176348187 has 2 divisors, whose sum is σ = 82176348188. Its totient is φ = 82176348186.

The previous prime is 82176348173. The next prime is 82176348193. The reversal of 82176348187 is 78184367128.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82176348187 is a prime.

It is not a weakly prime, because it can be changed into another prime (82176348157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41088174093 + 41088174094.

It is an arithmetic number, because the mean of its divisors is an integer number (41088174094).

Almost surely, 2^82176348187 is an apocalyptic number.

82176348187 is a deficient number, since it is larger than the sum of its proper divisors (1).

82176348187 is an equidigital number, since it uses as much as digits as its factorization.

82176348187 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3612672, while the sum is 55.

The spelling of 82176348187 in words is "eighty-two billion, one hundred seventy-six million, three hundred forty-eight thousand, one hundred eighty-seven".