187845481079 has 2 divisors, whose sum is σ = 187845481080. Its totient is φ = 187845481078.

The previous prime is 187845481051. The next prime is 187845481081. The reversal of 187845481079 is 970184548781.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-187845481079 is a prime.

Together with 187845481081, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (187845481279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 93922740539 + 93922740540.

It is an arithmetic number, because the mean of its divisors is an integer number (93922740540).

Almost surely, 2^187845481079 is an apocalyptic number.

187845481079 is a deficient number, since it is larger than the sum of its proper divisors (1).

187845481079 is an equidigital number, since it uses as much as digits as its factorization.

187845481079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18063360, while the sum is 62.

The spelling of 187845481079 in words is "one hundred eighty-seven billion, eight hundred forty-five million, four hundred eighty-one thousand, seventy-nine".