82049181187 has 2 divisors, whose sum is σ = 82049181188. Its totient is φ = 82049181186.

The previous prime is 82049181127. The next prime is 82049181209. The reversal of 82049181187 is 78118194028.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 82049181187 - 2¹¹ = 82049179139 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 82049181187.

It is not a weakly prime, because it can be changed into another prime (82049181127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41024590593 + 41024590594.

It is an arithmetic number, because the mean of its divisors is an integer number (41024590594).

Almost surely, 2^82049181187 is an apocalyptic number.

82049181187 is a deficient number, since it is larger than the sum of its proper divisors (1).

82049181187 is an equidigital number, since it uses as much as digits as its factorization.

82049181187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 258048, while the sum is 49.

The spelling of 82049181187 in words is "eighty-two billion, forty-nine million, one hundred eighty-one thousand, one hundred eighty-seven".